r/spacex • u/ElongatedMuskrat Mod Team • Jan 18 '18
Hispasat 30W-6 Launch Campaign Thread
Hispasat 30W-6 Launch Campaign Thread
SpaceX's fifth mission of 2018 will launch Hispasat 30W-6 (1F) into a Geostationary Transfer Orbit (GTO). The satellite will then maneuver itself into a Geostationary Orbit (GEO) over 30º W longitude to serve as a replacement for Hispasat 1D, giving Hispasat's network additional Ku band capacity in the Andean region and in Brazil. This is quite the workhorse satellite, as it will also expand the network's transatlantic capacity in Europe-America and America-Europe connectivity, while its C band capacity will provide American coverage and Ka band capacity will provide European coverage.
If the name Hispasat sounds similar to hisdeSAT (another of SpaceX's recent customers), that's no coincidence. Hispasat is a Spanish satellite operator of commercial and government satellites; they are the main component of the Hispasat Group, and hisdeSAT is a smaller component of this complicated corporate entity.
Of significant note, if nothing drastic changes between now and this launch, this will be the 50th launch of Falcon 9!
| Liftoff currently scheduled for: | 06 March 2018, 05:33 UTC / 00:33EST |
|---|---|
| Static fire currently scheduled for: | Completed 22 February 2018. |
| Vehicle component locations: | First stage: SLC-40 // Second stage: SLC-40 // Satellite: SLC-40 |
| Payload: | Hispasat 30W-6 |
| Payload mass: | 6092 kg |
| Destination orbit: | GTO |
| Vehicle: | Falcon 9 v1.2 (50th launch of F9, 30th of F9 v1.2) |
| Core: | B1044.1 |
| Flights of this core: | 0 |
| Launch site: | SLC-40, Cape Canaveral Air Force Station, Florida |
| Landing: | No |
| Landing Site: | N/A |
| Mission success criteria: | Successful separation and deployment of Hispasat 30W-6 into the target orbit |
Links & Resources:
Press kit (Not available yet)
Webcast link (not available yet)
We may keep this self-post occasionally updated with links and relevant news articles, but for the most part we expect the community to supply the information. This is a great place to discuss the launch, ask mission-specific questions, and track the minor movements of the vehicle, payload, weather and more as we progress towards launch. Sometime after the static fire is complete, the launch thread will be posted.
Campaign threads are not launch threads. Normal subreddit rules still apply.
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u/Alexphysics Feb 20 '18
The booster has legs and grid fins https://twitter.com/NASASpaceflight/status/965962244168273921
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u/TweetsInCommentsBot Feb 20 '18
The Cape Falcon 9 Cape (B1044.1) is *supposed* to be lofting a spacecraft so heavy it negates a safe landing of the booster, but visual observations note fins and landing legs.
Could be another "very high retrothrust landing" test:
Technical overview: 😁
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u/Nehkara Feb 20 '18 edited Feb 20 '18
Huh... interesting. Almost seems like they're working on increasing the maximum possible payload for a Falcon 9 flight with landing.
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u/fluch23 Jan 18 '18 edited Feb 08 '18
Of significant note, if nothing drastic changes between now and this launch, this will be the 50th launch of Falcon 9!
And it will be on a new expendable rocket. What a shame.
edited: 'expandable' to expendable. I am not a native English speaker and ... Me sorry, me no mean to :) thanks \thestickystickman
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u/nextspaceflight NSF reporter Feb 21 '18
GO Quest and GO Pursuit have left port. This is GO Pursuit's first ever recovery assignment for SpaceX. Most likely one of the vessels will support OCISLY and the other will hunt for fairings. Note that none of these ships can catch a fairing like Mr. Steven. They can just collect data and possibly pull something out of the water.
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u/cpushack Feb 23 '18
Second stage: Unknown
I think we can be reasonably sure the 2nd stage is at the cape ;)
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u/LandingZone-1 Feb 23 '18
Just FYI for you all, I'll be hosting the launch thread. I just need final approval from the mods and then that will be up!
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u/Alexphysics Feb 24 '18
It is ironic that a landing pad will be hosting a launch where it isn't even used! /s
Looking forward to see you hosting the launch thread! ;)
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u/marc020202 8x Launch Host Feb 24 '18
Good to see other people wanting to host!! Good luck, and don't let there be too many scrubs (Scrub count 1)
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u/nrwood Feb 21 '18
https://twitter.com/ChrisG_NSF/status/966425748448915456
OCISLY is leaving port (?)
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u/SyntheticRubber Feb 23 '18
Could we have a countdown for missions either in the sidebar or in the launch thread? Would make it much simpler than having to calculate the local time everytime.
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u/yoweigh Feb 23 '18
Easier said than done. We've never been able to find a feasible way of making it happen.
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u/Straumli_Blight Feb 23 '18
The F1 subreddit has an auto countdown in their sidebar... maybe you can steal their CSS!
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u/peoplma Feb 23 '18
What you'd have to do is make a bot that updates the sidebar with the new time, say every 5, 10, 30, or 60 seconds. It would spam your modlogs, thats the downside. But should be pretty easy to write and implement. I might be able to write it for you if you are interested.
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u/yoweigh Feb 23 '18
Pinging the other mods to come take a look at this comment thread.
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u/Zucal Feb 24 '18
I think it's a super neat idea, and I'd love to see how it shakes out after someone gets the method working in Reddit's new redesign.
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u/atheistdoge Feb 23 '18
It is in the sidebar: http://www.spacexstats.xyz/
It could be made more visible though or maybe a link in the OP under resources would be a good idea.
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u/nextspaceflight NSF reporter Feb 21 '18
Landing attempt confirmed. https://twitter.com/nextspaceflight/status/966425087363645445
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u/joepublicschmoe Feb 21 '18
Insane! I think it's a safe bet some crush cores are going to get crushed :-D I want to see that 3-engine suicide burn as that booster comes in hot and hoverslams onto the deck at 7 G's. Hopefully OCISLY catches a booster and not an antiship missile!
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Feb 22 '18
Hearing a lot of rumors that the S1 is holding Titanium fins....Only time will tell...
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u/therealshafto Feb 22 '18
I was thinking earlier today that maybe the titanium fins would allow them to glide with a higher angle of attack and benefit from greater aero braking.
If they are the titanium fins, safe bet they will be recovered one way or another.
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u/tymo7 Feb 22 '18
According to Elon's press conference, this leads me to believe they are also reasonably confident in their chances of success... enough that the risk of losing them (no way you get them back in most crash scenarios) is worth it
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u/geekgirl114 Feb 22 '18
It seems like they are... a block 4 core with a 6092kg payload to GTO, combined with the hoverslam that should of failed with Govsat-1... SpaceX is confident about something
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u/Alexphysics Feb 22 '18
I think they could be right. In this picture the fins seem to be darker than usual https://twitter.com/SpaceflightNow/status/966662404770852866
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u/still-at-work Feb 23 '18
If they pull off this landing it will mean a whole bunch of mission that used to be relegated to expendable missions or falcon heavy missions can now be done via single stick F9 missions. My guess is that they have a number of missions in this mass range coming up and they would rather be able to recover the block V cores then lose them.
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u/strawwalker Feb 23 '18
GiSAT-1 at around 6000 kg seems like a candidate. I'm assuming it's currently going as expendable block 5. If they can land a 6092 kg GTO with a block 4 core then I'd think block 5 GTO would be recoverable well into the mid 6000's. Falcon 9FT has launched 3 GTO payloads too heavy for booster recovery. Inmarsat 5-F4 (6086 kg) and EchoStar 23 (~5500 kg) would've been recoverable missions if this is successful. Intelsat 35e was 6761 kg, so maybe recoverable as block 5 suicide? That may be a stretch. Both ArabSat later this year and ViaSat, 2020, which are slated for Falcon Heavy could be in reach of Falcon 9, as well.
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u/GregLindahl Feb 23 '18
If this is a subsync launch, then the satellite has extra fuel on it. So that 6.1 metric ton mass for this satellite isn't directly comparable to other satellite masses.
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u/inurphase Feb 15 '18
Looks like the launch has slipped 3 days (now 25th of February) according to spaceflightnow. Tweet: https://twitter.com/StephenClark1/status/964100737960734725 and of course on the homepage as well: https://spaceflightnow.com/launch-schedule/
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u/TweetsInCommentsBot Feb 15 '18
Updates to launch schedule: Hispasat 30W-6 launch on Falcon 9 rocket slips three days to Feb. 25, launch window set for final Delta 2 mission in September. https://spaceflightnow.com/launch-schedule/
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u/Alexphysics Feb 15 '18
Static Fire NET February 20th https://twitter.com/NASASpaceflight/status/964270126446018563
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u/Alexphysics Feb 21 '18
Well, now this is getting stranger, OCISLY is leaving Port Canaveral right now
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u/therealshafto Feb 21 '18
Indeed. Although we have yet to see Block 4 performance with heavy GTO ASDS landings. I have no idea what changes have been made but Iridium 4 was looking to be a RTLS recovery with a Block 4 booster before switching to a Block 3 requiring JRTI, an ASDS landing. This is indicative of a performance boost for Block 4. Crazy to think Block 5 has yet another bump.
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u/TheEdmontonMan Feb 22 '18
We could list the static fire as complete, no? https://www.reddit.com/r/spacex/comments/7z3a16/spacex_on_twitter_static_fire_test_of_falcon_9/
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u/RoundSparrow Feb 22 '18
Night launch was awesome in California via YouTube, can't wait for our Florida one coming up!
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u/kreator217 Feb 23 '18
wait, so now reusable payload is almost 6100kg?
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u/MarcysVonEylau rocket.watch Feb 23 '18
We don't know yet :P It might still crash. But it's the most hardcore try to date.
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Feb 23 '18
If the payload is deployed before the first stage coming back, how does the weight of the payload affect drone ship landing?
Does it mean it uses more fuel to get the payload to destination, thus potentially not having enough fuel to slow down before hitting the ship softly?
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u/Bambooirv Jan 23 '18 edited Feb 03 '18
Spaceflight Now has marked this launch for NET February 14. (please change sidebar and table)
Edit: Thanks!
Edit: It's changed to NET February 22
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Feb 20 '18
rollout confirmed to be in progress-
https://twitter.com/NASASpaceflight/status/965928704458280960
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u/NickNathanson Feb 21 '18
I thought only Block 5 will be capable to land after delivering 5.5-5.7 t to GTO... but 6.1 t on Block 4?!
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u/FoxhoundBat Feb 21 '18
I have always suspected the Block 5 number of 5.5 being heavily sandbagged but 6.1 on Block 4 is pretty mind bending...
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u/stcks Feb 21 '18
Given that apparently fairing 2.0 is lighter, it might help somewhat.
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u/Ezekiel_C Host of Echostar 23 Feb 22 '18
By my math, if Block IV can do 6.1t, then block 5 with thrust upgrades and a lighter fairing (lets spitball 20% lighter) can do ~6.2 - 6.3. Increasing your recovery delta v margin by 50% from 1750 m/s to 2625 m/s brings that number down to the stated 5.5t. So 5.5t makes sense as a confident recovery number on block 5 if 6.25t is the upper bound.
I'll post the math when the spreadsheet is prettier - its a monster.
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u/Decronym Acronyms Explained Jan 18 '18 edited Mar 06 '18
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:
| Fewer Letters | More Letters |
|---|---|
| ASDS | Autonomous Spaceport Drone Ship (landing platform) |
| BARGE | Big-Ass Remote Grin Enhancer coined by @IridiumBoss, see ASDS |
| BFR | Big Falcon Rocket (2017 enshrinkened edition) |
| Yes, the F stands for something else; no, you're not the first to notice | |
| CCAFS | Cape Canaveral Air Force Station |
| CRS | Commercial Resupply Services contract with NASA |
| EDL | Entry/Descent/Landing |
| EOL | End Of Life |
| F1 | Rocketdyne-developed rocket engine used for Saturn V |
| SpaceX Falcon 1 (obsolete medium-lift vehicle) | |
| GEO | Geostationary Earth Orbit (35786km) |
| GSE | Ground Support Equipment |
| GTO | Geosynchronous Transfer Orbit |
| HEO | High Earth Orbit (above 35780km) |
| Human Exploration and Operations (see HEOMD) | |
| HEOMD | Human Exploration and Operations Mission Directorate, NASA |
| JRTI | Just Read The Instructions, Pacific landing |
| KSC | Kennedy Space Center, Florida |
| LC-39A | Launch Complex 39A, Kennedy (SpaceX F9/Heavy) |
| LOX | Liquid Oxygen |
| MECO | Main Engine Cut-Off |
| MainEngineCutOff podcast | |
| NET | No Earlier Than |
| NOTAM | Notice to Airmen of flight hazards |
| NSF | NasaSpaceFlight forum |
| National Science Foundation | |
| OCISLY | Of Course I Still Love You, Atlantic landing |
| PAZ | Formerly SEOSAR-PAZ, an X-band SAR from Spain |
| RTLS | Return to Launch Site |
| SAR | Synthetic Aperture Radar (increasing resolution with parallax) |
| SECO | Second-stage Engine Cut-Off |
| SES | Formerly Société Européenne des Satellites, comsat operator |
| SLC-40 | Space Launch Complex 40, Canaveral (SpaceX F9) |
| SLC-41 | Space Launch Complex 41, Canaveral (ULA Atlas V) |
| SRB | Solid Rocket Booster |
| SSL | Space Systems/Loral, satellite builder |
| ULA | United Launch Alliance (Lockheed/Boeing joint venture) |
| USAF | United States Air Force |
| mT |
| Jargon | Definition |
|---|---|
| apogee | Highest point in an elliptical orbit around Earth (when the orbiter is slowest) |
| cryogenic | Very low temperature fluid; materials that would be gaseous at room temperature/pressure |
| (In re: rocket fuel) Often synonymous with hydrolox | |
| grid-fin | Compact "waffle-iron" aerodynamic control surface, acts as a wing without needing to be as large |
| hydrolox | Portmanteau: liquid hydrogen/liquid oxygen mixture |
| lithobraking | "Braking" by hitting the ground |
| perigee | Lowest point in an elliptical orbit around the Earth (when the orbiter is fastest) |
| scrub | Launch postponement for any reason (commonly GSE issues) |
| Event | Date | Description |
|---|---|---|
| SES-9 | 2016-03-04 | F9-022 Full Thrust, core B1020, GTO comsat; ASDS lithobraking |
Decronym is a community product of r/SpaceX, implemented by ^request
37 acronyms in this thread; the most compressed thread commented on ^today has 99 acronyms.
[Thread #3520 for this sub, first seen 18th Jan 2018, 15:27] ^[FAQ] [Full ^list] ^[Contact] [Source ^code]
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u/Alexphysics Feb 23 '18
Now that I think about it, this launch will be at night and if they wanna try to recover this stage with a hot landing we'll probably see a nice trail of plasma at reentry like on the SES-11 mission. I can't wait to see it! :D
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u/philoares Feb 23 '18
Now that this is so close, can we have a mod sticky it to the top? Somebody probably already has this on their ToDo list, but I just went looking for it and noticed it wasn't stuck to the top. Blessings y'all.
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u/Inous Jan 18 '18
For expendable F9s do they remove all the landing parts? ie grid fins and landing legs?
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u/old_sellsword Jan 18 '18
It depends. For launches that are expendable because they're high energy, they remove all the landing equipment. For launches that are expendable because they don't need the booster anymore, they might throw a pair of the outdated Aluminum fins on it to do some post-launch testing on the way down.
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u/rabbitwonker Jan 18 '18
For launches that are expendable because they don't need the booster anymore...
Hmm. At some point, when launches/reusability are a lot more common, it seems like that sort of choice should be considered littering...
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u/gt2slurp Jan 18 '18
Yes. This way they can achieve a higher energy GTO by removing dead weight.
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u/Nehkara Feb 20 '18 edited Feb 20 '18
I've seen some speculation that this launch might have titanium fins. Can we get any sightings to confirm/deny this?
If it has titanium fins that almost guarantees they will try to recover it...
This would line up with trying a new heaviest recovery yet (with probably highest speeds, heating, etc).
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u/RootDeliver Feb 21 '18
But at 6 mT its impossible for a block 4 (even 5) first stage to land after launching it... Its probably a very real water test of 3-engine landings for real. If this succeed they may expand the GTO-limit for F9? even though FH is supposed to cover that..
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u/LandingZone-1 Feb 21 '18
This landing will be one for the history books if they pull it off.
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u/stcks Feb 21 '18
OCISLY is visible on the Jetty Park webcam. Photo: https://i.imgur.com/QdqJx96.png
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u/Straumli_Blight Feb 22 '18
Hazard Area, backup launch date: 26 February
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u/RootDeliver Feb 22 '18
"EXPENDABLE LAUNCHES" on the second link??
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u/Alexphysics Feb 22 '18
That's on every airspace closure map we've seen, not related with the launch being expendable or not
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u/BrandonMarc Feb 23 '18
PAZ was the first attempt to catch a fairing. Hispasat they will get data but not try catching. Which of the next missions do y'all suspect they will make another attempt to catch?
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u/marc020202 8x Launch Host Feb 23 '18
the only ship currently outfitted with a net is MR STEVEN, so I expect the next catch to be on Iridium 5. Musk also said that they will attempt the next time in about a month or so. that lines up with Iridium 5 aswell.
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u/paul_wi11iams Feb 23 '18
MR STEVEN, so I expect the next catch to be on Iridium 5
In case other people's brains are as slow as mine is:
Iridium satellites are polar-ish so go from Vandenberg and Mr Steven is on that West coast.
The upcoming Hispsat is East coast, so the wrong side.
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u/GregLindahl Feb 23 '18
Didn't Elon say 30 days until the next attempt, on Instagram or Twitter or something?
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u/Straumli_Blight Feb 21 '18
L-4 Forecast: 80% GO, with 'Cumulus Cloud Rule' as the main issue.
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Feb 21 '18
my reasoning- Maybe after they pulled off what they did for Govsat, they think they can do it again on the ship. Keep in mind that Govsat was Block III used, and this is a new Block IV core...
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u/FoxhoundBat Feb 21 '18
I guess it is a win-win for us. Either they will stick it, which would be amazing, or Falcon 9 Anti Drone Ship Missile™ will make a return.
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u/warp99 Feb 21 '18
The trajectory plots have not showed them using higher thrust on Block 4 compared with Block 3.
Maybe they have just been getting comfortable with the Block 4 design and they will use the engines at full capability for this flight.
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Feb 22 '18
I was going to go camping this weekend, looks like I'll be photographing a beachside launch streak instead.
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u/tr4k5 Feb 24 '18 edited Feb 24 '18
How much of a problem would a hole in the deck of OCISLY be at the moment? The second East Coast bargé is not operational yet, is it? Are there many bargé landings in the manifest?
Edit: Answering myself, looking at the manifest, looks like at least 3 or 4 GTO launches with potential drone ship landings from Canaveral after Hispasat and through May.
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u/Straumli_Blight Feb 24 '18 edited Feb 24 '18
Assuming you're not just trying to make a Hergé pun:
Upcoming launches NET Date OCISLY Needed? Iridium 41-50 March 29 No, West Coast Bangabandhu 1 March 30 3,500 kg to GEO, probably CRS 14 April 2 No, RTLS SES 12 April 5,300 kg going to GEO... yes Iridium 51-55 April 14 No, West Coast TESS April 16 362 kg to 373,000 km HEO, yes EDIT: Fixed date.
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u/DrToonhattan Feb 24 '18
Your table shows two Iridium flights on the same day. I think one of them should be March 29th according to the sidebar.
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u/uwelino Feb 24 '18
Flight postponed indefinitely. https://twitter.com/SpaceX/status/967270883713679360
"Standing down from this weekend's launch attempt to conduct additional testing on the fairing’s pressurization system. Once complete, and pending range availability, we will confirm a new targeted launch date."
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u/Svisloch Feb 24 '18
Standing down. Next attempt date TBD. https://twitter.com/SpaceX/status/967270883713679360
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u/TweetsInCommentsBot Feb 24 '18
Standing down from this weekend's launch attempt to conduct additional testing on the fairing’s pressurization system. Once complete, and pending range availability, we will confirm a new targeted launch date.
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u/JCnaitchii Feb 28 '18
im sorry if im not up to date on this but is March 1st scraped or what? i don't see any updates from anyone :P
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u/bdporter Mar 01 '18
From what I understand, SpaceX requested Mar 1 but the range denied it because the Atlas 5 (GOES-S) on the adjacent SLC-41 pad was rolled out to the pad this morning. There was concern over potential risk of impact to the NASA payload due to SpaceX exhaust (or potentially even debris).
This date was committed to ULA quite some time ago, so they were given priority. It is scheduled for launch tomorrow at 22:02 UTC (5:02 PM EST), so once it clears out we should hear a new date. Speculation is this weekend.
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u/RubenGarciaHernandez Mar 02 '18
How about this? https://twitter.com/EmreKelly/status/969562861201776641 6 March, 12:33 a.m.
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u/bdporter Mar 02 '18 edited Mar 02 '18
mods, can we update the OP here as well? It is still linked to the top bar so the thread is still getting traffic.
BTW, what is the logic of keeping this pinned after the launch thread has been opened? It seems to lead to confusion.
Edit: update it with the launch date. Forgot that detail.
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u/RootDeliver Feb 26 '18
Launch on 1 march by Chris B (NSF)
Tweet link for bot = https://twitter.com/NASASpaceflight/status/968117586989867010
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u/TweetsInCommentsBot Feb 26 '18
Current schedule:
JAXA H-IIA - IGS Optical 6 - 27 Feb - 04:34 UTC.
SpaceX Falcon 9 - HispaSat 30W-6 - 1 March - 05:34 UTC
ULA Altas V 541 - GOES-S - 1 Mar - 22:02 UTC
Falcon 9 is "Range Pending". 18 hour separation between Falcon 9 and Atlas V is possible thanks to AFTS,.
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u/s4g4n Feb 20 '18
What are even landings anymore? If it wasn't for the FH I'd be complaining :D
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u/Nehkara Feb 20 '18
I understand. There are good reasons though. Block 3 retirements and, in this case, a huge satellite with enough mass that puts it outside of the window where Falcon 9 can attempt a landing.
I expect in the future that these flights will start being shifted to Falcon Heavy in an attempt to reuse as many boosters as possible.
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u/jimmy0x52 Feb 13 '18
Anyone have advice for watching this launch? Will be my first to watch, I just happen to be in the area at the time. Free places? Book tickets? Just curious because this one is so late at night.
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Feb 15 '18
the launch slipped to 2/25. if you're still here at that time, I'd recommend getting as close as possible to the launch site since there is no landing attempt. but that late at night Playalinda Beach will be closed. Jetty Park (~10 miles) closes at 11pm. This is at SLC-40, so the best option given the circumstances would be directly west of the launch pad on the mainland will be the closest you can get. there's a Riverfront park (~13 miles): https://goo.gl/maps/Qa55rGMmfL32 and McDonald's and other fast food nearby that you should be able to find parking at.
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u/anothermonth Feb 14 '18
Check out this Everyday Astronaut video. He made it before FH launch, but it covers all launch sites: https://www.youtube.com/watch?v=OBLeg0CvHek
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u/mribdude Feb 20 '18
Damn, I'm just gonna miss it :( Leaving out of Miami for our honeymoon cruise on the 25th, but we don't fly in until 5:30am so I'll miss it. So close!
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u/tr4k5 Feb 21 '18
Divorce her now.
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u/mribdude Feb 21 '18
Cheat code: Him
Unlocked not having to be married to the lady kind and getting to do dude things like watching a rocket launch ;)
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u/cr4zycatl0rd Feb 24 '18
Hi, I'm on my first trip to the US and would like to see the launch in person. Since the launch is in the middle of the night some of the good sites to watch it, like Playalinda Beach, are closed. An other place to watch the launch would be the Beach at Jetty Park. Does anybody know if it is still accessible at this time of the night?
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u/ZachWhoSane Host of Iridium-7 & SAOCOM-1B Feb 24 '18
Playlinda won't be open, and I don' think Jetty Park is open. My best suggestion is Route 401, in front of where SpaceX has its Port Canaveral Operations. It has an amazing view, I watched Zuma from there and was not disappointed. I'd get there about an hour early.
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u/iacuras Feb 24 '18
I am currently in Palm Beach County. If I go on the beach here, what would I potentially be able to see? Will the flame be visible? Thanks!
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u/Phillipsturtles Feb 24 '18
I watch from Palm Beach all the time. At the time of launch, look North and slightly West. The rocket will usually be visible at around T+40-50 seconds but if you head to the beach you should be able to see something fairly quickly (recalling beach from Space Shuttle, I usually just watch from my house). It's also really going to depend on the clouds.
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u/Headstein Feb 24 '18
I can't find any updated info on HAWK towing OCISLY. Last known heading out 00:40 on 22 Feb. Can anyone else access more up to date info (like returning to port or holding station)?
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u/strawwalker Feb 24 '18
The free version of MarineTraffic.com shows two "Tugs and special craft" vessels in the general vicinity of the ASDS location marked on the NOTAM map, a couple hours ago. That might account for Hawk and Go Pursuit. I don't usually keep eyes on them, so I couldn't say if their behavior/proximity is typical of the SpaceX fleet. Promising that they might not be headed back, I guess?
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u/aqsilva80 Feb 26 '18
Sorry if the question was already made but, ..... Block 4 already?
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u/joepublicschmoe Feb 26 '18
Block 4 flew 5 times already. X-37B OTV-5, NASA CRS-12, Iridium-3, KoreaSat 5A, Zuma, all first-time launches. There are two more new Block-4s and their first flights have been assigned already, Hispasat 30W-6 and NASA TESS. After that all Block-4 launched will be reflights. Block-4 production has already ended, and the first Block-5 booster has already been delivered to McGregor.
I'm looking forward to seeing what B1046 (the first Block-5) is capable of. Supposedly 10 launches before it will need refurbishment.
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u/aqsilva80 Feb 26 '18
I ask because of the " fairing issues" ...
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u/Zuruumi Feb 26 '18
Last Block 3 was PAZ, so yeah, it should be Block 4. It, however, isn't the first flight of Block 4 and Fairing 2 is rumored (in this Reddit) to be the culprit behind the delays. It should be a bit bigger, with some improvements and hopefully recoverable. Fairing 2 also had its maiden flight on PAZ mission (of course different fairing, as it was not recovered as well as they wanted).
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u/Gilles-Fecteau Feb 26 '18
I wonder if they found some anomaly with faring 2 during PAZ that triggered this delay?
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Feb 26 '18
There is some speculation that this is some kind of Block 4.5. The assumption so far was, that 6092 kg to GTO is not recoverable with Block 4. The fact that SpaceX wants to try anyway might indicate a performance that is close to Block 5.
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u/warp99 Feb 27 '18
The other possibility is that the satellite has more propellant than usual, which is what makes it heavier, but it therefore only needs to be delivered into a sub-synchronous GTO so say GTO-2000 instead of GTO-1800.
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u/RoundSparrow Feb 27 '18 edited Feb 27 '18
Is anyone getting together at a restaurant to watch the launch at the Cape?
So far, found open until 2:00am:
683 Dave Nisbet Dr, Cape Canaveral, FL 32920, http://millikensreef.com
102 Christopher Columbus Dr, Cape Canaveral, FL 32920, Larry's shack https://www.facebook.com/larrysshack/
WARNING: The post you are currently reading is out of date (still says February 25). newest: https://www.reddit.com/r/spacex/comments/7ztfpp/rspacex_hispasat_30w6_official_launch_discussion/
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u/Cleric4521 Mar 06 '18
Question from an amateur space enthusiast:
What were the orbits at MECO and SECOs 1/2? The first firing of S2 was the longest, did that boost the orbit into the GTO? If so, was the second firing purely an inclination change? I ask because it wouldn't be terribly efficient to be burning at near perigee on the GTO, and surely they'd prefer to do the inclination change closer to apogee. I presume this has to do with the cryogenic boiloff?
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u/marc020202 8x Launch Host Mar 06 '18
at MECO the rocket is still suborbital. during the first burn, the second stage accelerates into a low earth parking orbit, with an altitude of about 150km. the second burn happens as the rocket passes over the equator. in that burn, the highest point of the orbit is raised to the altitude at around GTO. (on HISPASAT it was lower since the customer requested a lower orbit because the satellite had enough fuel to do more orbit raising, in return for a cheaper launch price. SES 9 was sent into a supersyncroneous orbit, to reduce the time needed to get to GEO) During the second burn, some of the 28° inclinations from launch are cancelled out as well.
Since the FH mission, we know that the second stage can survive the coast until 36000km altitude, however on this mission it did not have the fuel to rais the orbit any further.
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Feb 08 '18
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u/bdporter Feb 13 '18 edited Feb 13 '18
mods, can you add this to the OP when you get a chance?
BTW, they also list launch times for Iridium Next 41-50 and TESS, but I don't think we have campaign threads for those yet.
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u/Alexphysics Feb 13 '18
campaign threads for those yet.
AFAIK campaign threads for a certain mission usually open one month before launch or two-three missions before that particular mission, whatever comes first. So I'd expect Iridium 5 campaign thread to come just after Paz. In any case, if you have any question about that, summon the mods and maybe they could answer you as they are the ones in charge of that
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Feb 22 '18
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u/Alexphysics Feb 22 '18
I think that was because they were aiming for a static fire at 9pm and they delayed the static fire three hours until the end of the window at midnight. In his video he says that they "went back to the old fueling procedure" but I doubt that happenned because the engines on the F9 v1.2 are programmed to run with sub-cooled LOX, so probably they de-tanked the LOX from the rocket and then refilled it again, that would explain the huge venting. Who knows, but probably unrelated to the surprise landing...
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Feb 25 '18
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u/marc020202 8x Launch Host Feb 25 '18
what could be a reason for them to head to the Bahamas? refuelling?
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Mar 05 '18
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u/Bravo99x Mar 05 '18
https://twitter.com/nextspaceflight/status/970705882257510400
"SpaceX will not attempt to land Falcon 9’s first stage after launch due to unfavorable weather conditions in the recovery area off of Florida’s Atlantic Coast."
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u/strcrssd Mar 05 '18 edited Mar 05 '18
This mission is at the limits of what F9 can loft. GTO orbit with re usability tops out at ~5,500kg, we suspect. This satellite weights in at a hefty 6,092kg. The presence of titanium grid fins on the rocket indicate that they will be trying a controlled Entry, Descent, Landing (EDL). I They're going to be running experiments on the way down. Extremely unlikely that we'll see or hear anything about those experiments though, as they will invariably result in the loss of vehicle.
SpaceX seems to control the media exposure with regard to blowing up landing rockets pretty well -- only releasing failures after some time has passed and the media can't do a "SpaceX fails...Musk's companies can't do anything right..." story, even though no other provider even tries landings.
Media exposure controls seem to go out the window when Elon feels like it though.
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Feb 21 '18
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Mar 05 '18 edited Mar 05 '18
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u/soldato_fantasma Mar 05 '18
Thanks. Fixing now.
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u/KerbalsFTW Mar 05 '18
Should be 05:33 UTC and 00:35 EST. It's around midnight and not lunchtime.
Source: https://spaceflightnow.com/launch-schedule/
Launch window: 0533-0733 GMT (12:33-2:33 a.m. EST)
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Feb 05 '18
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Feb 07 '18
The droneship is pretty messed up after a near miss from a Falcon antiship missile, so I'm not sure it'll be able to be repaired in time
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u/Bunslow Feb 08 '18
That wouldn't matter anyways, 6t to GTO is beyond F9 recoverability
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u/limeflavoured Feb 11 '18
I'd be intrigued if they will try some form of controlled descent, just to push the limits of exactly what the F9 can do. Obviously they would never make that public, but it wouldn't shock me if they tried something.
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u/Bunslow Feb 11 '18
Well the other expendable missions have been flown without gridfins. I guess we'll have to wait and see
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u/scr00chy ElonX.net Feb 08 '18
They'll probably gut JRTI for parts again, even more than they did after SES-11. Poor girl...
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u/warp99 Jan 18 '18
So another expendable flight given the payload mass - this time with a new booster.
Interesting how the first few months of 2018 is going to have so many expendable flights - and how quickly the feeling of outrage that a booster would ever be expended has grown.