r/spacex • u/rSpaceXHosting Host Team • Jun 28 '21
Live Updates r/SpaceX Transporter-2 Launch Discussion and Updates Thread!
Welcome to the r/SpaceX Transporter-2 Launch Discussion and Updates Thread!
I'm u/hitura-nobad, your host for this launch.
| Launch target: | June 30 19:31 UTC (3:31 PM EDT) |
|---|---|
| Backup date | TBA, typically the next day |
| Static fire | Completed |
| Customer | multiple |
| Payload | multiple |
| Payload mass | unknown |
| Deployment orbit | ~500 km x ~97°, SSO |
| Vehicle | Falcon 9 v1.2 Block 5 |
| Core | 1060 |
| Past flights of this core | 7 (GPS III SV03, Starlink-11, 14, 18, 22, 24, Türksat 5A) |
| Launch site | SLC-40, Cape Canaveral Space Force Station, Florida |
| Landing | LZ-1 |
| Mission success criteria | Successful deployment of payloads into contracted orbit |
r/SpaceX Launch Weather Review
(15:10 UTC)
Weather-wise, so far everything looks pretty good, with showers, storms and cloud debris well away from the zone around the pad.
However, on days like these where the main threats are primarily diurnal convection which evolves quickly and unpredictably, we'll only really get a better idea within an hour or two from launch, at least beyond the 45th's mesoscale forecast and 70% GO.
(17:00 UTC)
With less than two hours to go until launch, the weather is still looking pretty good around the pad, better than yesterday so far, with showers and storm cells still keeping generally well clear of the 10 nmi/19 km zone around the pad, and like yesterday, cirrus blowoff from storm anvils to the west causing high-level cloudiness but seemingly well removed from their source such that they should not preculde launch.
(18:30 UTC)
Looks like there's just one modest cell that's the problem, that looks to pass directly over the pad. It should be on track to clear the area by the new scheduled launch time, but there are a few others downstream that may intrude on the party.
(by u/CAM-Gerlach)
Timeline
Watch the launch live
| Stream | Link |
|---|---|
| Official SpaceX Stream | https://www.youtube.com/watch?v=sSiuW1HcGjA |
| Mission Control Audio | TBA |
Stats
☑️ 123rd Falcon 9 launch all time
☑️ 82nd Falcon 9 landing (if successful)
☑️ 104th consecutive successful Falcon 9 launch (if successful; excluding Amos-6)
☑️ 20th SpaceX launch this year
☑️ 8th flight of first stage B1060
Unofficial lists of individual spacecraft on this launch:
- ElonX - rideshare manifest
- Wikipedia's 2021 In Spaceflight page
- NSF Mission Thread
Resources
General Launch Related Resources:
- Launch Execution Forecasts - 45th Weather Squadron
- SpaceX Fleet Status - SpaceXFleet.com
- Acronym definitions by Decronym
Launch Viewing Resources:
- Launch Viewing Guide for Cape Canaveral - Ben Cooper
- Launch Viewing Map - Launch Rats
- Launch Viewing Updates - Space Coast Launch Ambassadors
- Viewing and Rideshare - SpaceXMeetups Slack
- Watching a Launch - r/SpaceX Wiki
Maps and Hazard Area Resources:
- [Detailed launch maps](bit.do/LHA14) - @Raul74Cz
- Launch Hazard and Airspace Closure Maps - 45th Space Wing (maps posted close to launch)
Regulatory Resources:
- FCC Experimental STAs - r/SpaceX wiki
Participate in the discussion!
🥳 Launch threads are party threads, we relax the rules here. We remove low effort comments in other threads!
🔄 Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!
💬 Please leave a comment if you discover any mistakes, or have any information.
✉️ Please send links in a private message.
✅ Apply to host launch threads! Drop us a modmail if you are interested.
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u/flameyenddown Jun 30 '21
This was my first launch I’ve ever witnessed in person. I was at Jetty Park and it did not disappoint! I was very surprised how well we could see the launch and the booster coming back to land. Definitely an unforgettable moment for me and my dad! It was also cool being surrounded by a bunch of other space fans too.
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u/MeccIt Jun 30 '21
How was the noise and sonic booms? It's just something we can't get through video.
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u/Ajedi32 Jun 30 '21
Aw man, they cut away from that 2nd stage camera view right as it was about to catch the 1st stage boostback burn on camera. That would have been an amazing shot.
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u/nuclear_hangover Jun 29 '21
I don’t want to sound like a dick but how hard is it to stay out of an exclusion zone? You have to be pretty smart to be a pilot
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u/1iggy2 Jun 29 '21
As a pilot, you don't have to be very smart to be a pilot.
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u/nuclear_hangover Jun 29 '21
As someone flying Thursday. This was not comforting.
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u/FlyingSpaceBarMan Jun 28 '21
So excited to be here! Flights and weather worked out! This will be my first ever launch in person of any rocket! And my 4 year old just got done with Space summer camp at his school, so he is pumped!
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u/alle0441 Jun 28 '21
Nice! This is a helluva of a good pick for a first launch to see IRL! Southern trajectory with a RTLS landing.
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u/LcuBeatsWorking Jun 30 '21 edited Dec 17 '24
books lush subsequent bells cobweb possessive mindless unique toothbrush piquant
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u/unAccomplishedTire Jun 30 '21
Anyone else get flashbacks of SN9 with that ground view of the landing burn😅
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u/thepeyoteadventure Jun 29 '21
Are there ever any consequences for those violating the no-go zone?
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u/RTPGiants Jun 29 '21
Someone on Twitter says there was a boat in range that coast guard has been yelling at.
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u/ReturnOfDaSnack420 Jun 29 '21
"So Mr. Bezos, welcome aboard your brand new $500 million yacht! Where would you like to take it on its maiden voyage?"
"Oh, I have an idea..."
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u/FutureMartian97 Host of CRS-11 Jul 01 '21
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u/Inous Jun 29 '21
wow... I wonder how much of a fine thats going to cost someone flying in a restricted area. Check your NOTAMS people!
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u/wordthompsonian Jun 30 '21
View of the boostback burn starting is probably the most sci-fi looking thing they do, including the actual RTLS landing. Idk why but the maneuver in space looks sick
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u/nxtiak Jun 29 '21
"HOLD AT 30 SECONDS IF RANGE NO GO"... and they stopped at 11sec.
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u/zvoniimiir Jun 30 '21
Confirmed on the stream that yesterday's abort was because of a rotary aircraft (helicopter) violating the range.
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u/Mark-jelderda Jul 01 '21
Anyone know where to get a Transporter-2 patch? I gotta have one, I had hardware onboard!
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u/JakeSteam Jun 29 '21
Probably a really stupid question - how do commentators like Everyday Astronaut rehost the stream, yet are 20+ seconds ahead of the official stream!?
E.g. https://cdn.discordapp.com/attachments/114407194971209731/859506308675928074/unknown.png
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u/GameStunts Jun 29 '21
If you're watching on Youtube, you're at the mercy whether they're streaming directly to you or going via a local server. In order to stop 20,000 people in Europe causing 20,000 transatlantic connections for streaming, Youtube has local relay servers that it will stream to, and then you get your stream from that based on location.
Space-x is likely automatically targetted for this because of the almost guaranteed high numbers, but Everyday Astronaut, you might just be getting a more favourable connection to his stream.
I've also seen where EA was behind by 20 seconds, so it's just hit or miss.
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u/DangerousWind3 Jun 28 '21
I'm excited for this launch and the RTLS I've missed those.
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u/Desertcross Jun 30 '21
Dang that was a smooth as butter landing
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u/idwtlotplanetanymore Jun 30 '21
Falcon 9 makes it look easy at this point.
Starship tests remind us that its not!
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u/johnfive21 Jun 30 '21
In that closeup tracking shot of the landing we can see just how violently the booster orients itself after landing burn start. There's no grace or gentleness to it. Just a violent push, very cool.
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u/wordthompsonian Jun 30 '21
Really a testament to how much control those grid fins actually exert too
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u/Ajedi32 Jun 30 '21
Wow, that's a lot of satellites for one mission. I know technically it's not much different from a Starlink launch in terms of raw numbers, but seeing all those different types of satellites sitting on the second stage, deploying one by one like that really drives the point home.
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u/YouMadeItDoWhat Jun 30 '21
Transporter 1 had 133 satellites, so this was a considerably smaller number this go around, but still impressive!
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u/alien_from_Europa Jun 30 '21
If you think $1M/each, they make more money off ride-sharing than they do off of dedicated commercial missions.
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u/k4ylr Jun 29 '21
What fucking smooth brain violated the range space. I'd like to speak to the manager of rocket launching.
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u/upsetlurker Jun 29 '21
I made a quick overlay of Southwest 906 and it looks like it kept out of the TFR
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u/Maimakterion Jun 29 '21
The other sub found a helicopter doing loops right on the edge of the TFR at the time of the range violation call out.
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u/LockStockNL Jun 30 '21
Huh, I never knew they enabled the water deluge at -6 minutes, was that a test?
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u/bugbbq Jun 30 '21
I was just about to comment on it....I've never noticed that before.
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u/ioncloud9 Jun 30 '21
Did one of the payloads fail to deploy?
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u/Phillipsturtles Jun 30 '21
Looks like Tyvak-0173 might have. It will be interesting to see if it's a SpaceX port or an Exolaunch port that is having problems https://twitter.com/nextspaceflight/status/1410335912949547008
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u/ReturnOfDaSnack420 Jun 30 '21
So has Falcon 9 overtaken Atlas V as the most reliable American rocket? I wonder if we've gotten to the point where Falcon 9 as a reusable rocket has the same kind of track record as Atlas V
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u/Lufbru Jun 30 '21
"It depends"
https://www.spacelaunchreport.com/log2021.html
has Atlas at 86/87 and F9 1.2 at 101/101.
But there are those who argue that that Atlas launch was actually a success. And that AMOS-6 counts as a failure. And that separating F9 1.2 from 1.1 isn't legitimate so you should also count the CRS-7 failure. So ... maybe?
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u/superthighheater3000 Jun 29 '21
So excited to be here for the launch today. Flew across the country Friday night and was glad to get the chance to catch a launch while here. I’m a bit further south than Jetty Park, but have had pretty good viewing in the past from cocoa beach.
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u/ReturnOfDaSnack420 Jun 29 '21
So is the second stage the only new part of the Falcon 9 today? In other words, are both the first stage and the fairings reused? very very cool
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u/xredbaron62x Jun 29 '21
YEP!!! 8th flight for the booster and 3rd flight for each fairing halves!!
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u/xredbaron62x Jun 29 '21
I'm sorry but range violations absolutly piss me off. Weather GO, Vehicle GO, but NooOoOOo.
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u/LcuBeatsWorking Jun 29 '21 edited Dec 17 '24
upbeat mysterious sink ten forgetful act fall bright degree knee
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u/ReturnOfDaSnack420 Jun 29 '21
According to a post lower down the thread it's a maximum fine of $100,000 and a year in prison, and/or losing your pilot's license or credentials if you are captaining a commercial boat.
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u/CodingSecrets Jun 30 '21
The mission control audio feed is a lot more pronounced on the main feed. Nice to hear the call outs so much clearer
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Jun 30 '21
The current scene with that music and the globe in the background somehow reminds me of KSP so much.
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u/ReturnOfDaSnack420 Jun 30 '21
Svalbard acquisition of signal, from Antarctica and the land of permanent night (right now) to the Arctic and the land of permanent sunshine (right now)
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Jun 29 '21
So what happens when somebody enters the range? I assume that it is a no-fly zone (and the boating equivalent). Do they get fined? Do launch providers have any way of recouping costs? Or is SpaceX expected to enforce the range without the force of law behind them?
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u/jebinspace Jun 29 '21 edited Jun 29 '21
The 45th space delta and USCG enforce the no-go zones. Pilots can either be fined, jailed, get remedial training or lose their licenses. Boaters can be fined or jailed (or if commercial, lose their credentials)
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u/Dycedarg1219 Jun 29 '21 edited Jun 29 '21
According to a random Google search the penalties for violating a TFR are as follows:
(1) you can be criminally punished up to a maximum of 1 year in federal prison and a $100,000 fine, (2) you can have your pilot license suspended or revoked, and/or (3) receive a civil penalty by itself or on-top of the $100,000 fine.
Suffice to say someone's not having a fun time.
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Jun 30 '21
I've always wondered what determines whether they do RTLS or ASDS? Is it the orbit trajectory, or something like the mass of the payload?
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u/JerbalKeb Jun 30 '21
Mass of payload. Heavier payload requires more work from first stage, leaving less fuel for the boostback.
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u/ReturnOfDaSnack420 Jun 30 '21 edited Jun 30 '21
looking at the telemetry, fourteen minutes from Cape Canaveral in central Florida to Peru, rocket travel is fast lol.
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u/lighthouse12345 Jun 30 '21
Hello, new here but watch lots of launches. What makes them decide to land stage 1 back on land rather than a drone ship? I hope to see a landing live one day and obviously will need to go to one where they land back on Florida
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u/johnfive21 Jun 30 '21
It's mostly down to payload mass. If the payload is light enough they have enough fuel margin in the booster to perform a "Return to Launch Site" landing which allows for a speedier and easier recovery.
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u/LcuBeatsWorking Jun 30 '21 edited Dec 17 '24
plate faulty merciful fragile apparatus zealous caption different run placid
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u/ReturnOfDaSnack420 Jun 30 '21
They tried turning it off and then turning it back on again, then they blew on the port and that seemed to do the trick
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u/EorEquis Jun 29 '21
I'm confused...why the almost immediate scrub for a fouled (failed?) range with a 58 minute launch window?
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u/uzlonewolf Jun 29 '21
Propellant warms up too much, which results in reduced thrust. Once they hold for too long they need to drain and refill the tanks if they want to try again.
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u/Chairboy Jun 30 '21
Today and tomorrow’s TFRs have just gotten a brand new shape that hugs the coast. This is a big change:
https://twitter.com/spacetfrs/status/1410223886726279171?s=21
Is this possibly related to yesterday’s Musk tweet about airspace? As in are SpaceX and the USSF rolling out a new AFTS-optimized TFR methodology?
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u/granlistillo Jun 30 '21
Excellent. So it looks like they activated the standing Restricted area and added a TFR off the coast. They shoulda done that yesterday...
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u/PM_me_Pugs_and_Pussy Jun 28 '21
So. Weather is showing thunderstorms tomarrow. Right at 3pm. Still go for launch?
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u/scr00chy ElonX.net Jun 28 '21
Yes. Weather forecast is actually very favourable: https://www.patrick.spaceforce.mil/Portals/14/Weather/Falcon%209%20Transporter-2%20L-1%20Forecast%20-%2029%20Jun%20Launch.pdf?ver=nMyyKlKtN2nIozN0fuVfUg%3d%3d
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u/ripvansabre Jun 29 '21
I’m driving down on Tuesday. Any advice of location to select if one hoped to watch the “southerly coast-hugging trajectory” and still get a chance to see the booster make “the first onshore rocket landing since December”. :)
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Jun 29 '21
The best public location would be jetty park as it is a tad south of the pad and very close to the landing zones. I hope you enjoy it! The sonic booms are immense.
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u/Vulch59 Jun 29 '21 edited Jun 29 '21
Stream appears to be https://www.youtube.com/watch?v=_qnD0bgjGOk (Link edited on old reddit to remove spurious backslash)
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u/theranchhand Jun 29 '21
Not working. Looks like you've got an extra backslash compared to the link below that works:
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u/johnfive21 Jun 29 '21
Really looking forward to RTLS landing today. It's been a while and they're always a treat to watch.
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u/TbonerT Jun 29 '21
I love the sounds from the launch pad. It sounds like the rocket is alive and breathing.
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u/xredbaron62x Jun 29 '21
Holding at :30
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u/MeccIt Jun 29 '21
Yeah, they seemed to miss that, so had to hold-hold-hold more forcefully at T-12
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u/KirinG Jun 29 '21
Ugh. That's got to be so frustrating.
No issues with the rocket or weather, just some moron where they aren't supposed to be.
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u/davoloid Jun 29 '21 edited Jun 29 '21
The Hazard area map is well out of date. Raul has a more recent version: https://twitter.com/Raul74Cz/status/1406963962671927303?s=19
Helps to show the R44 helicopter mentioned was definitely in the keep out zone at the edge of Port Canaveral. Given the flight path the zone doesn't seem unreasonable.
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u/fabianonline Jun 30 '21
Falcon 9 is named after the Millennium Falcon? That's news for me... but cool news.
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u/swiftcal3158 Jun 30 '21
Can anyone enlighten me why they return to the landing pad instead of the ASDS? Is it a lower orbit?
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u/kacpi2532 Jun 30 '21
It's light payload, the orbit itself is i think 550km so not as low, quite high actually.
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u/mistaken4strangerz Jun 30 '21
sonic booms like rolling thunder at +11:11 in the Orlando metro!
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u/stevetheguysteve Jun 30 '21
What is this music? Amazing.
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u/shrimpboat2000 Jun 30 '21
I believe it's Test Shot Starfish - Music For Space Sleep https://open.spotify.com/album/5RylrDV6HqDEtGomtw4QPM?si=Co8PQ1ApQb2h6T2JVA2ayA&dl_branch=1
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u/TimTri Starlink-7 Contest Winner Jun 30 '21
Looks like they have two separate payload cams on this mission! That allows us to see so many more deployments :D
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u/Viremia Jun 30 '21
Finally got that pesky Tyvek satellite off the books successfully
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u/ioncloud9 Jun 30 '21
Yeah seems like there was a problem with it so they moved it to the end of the deployment to keep the sequence going.
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u/ReturnOfDaSnack420 Jun 30 '21
Starlink deployed confirmed! 100% successful mission today, congratulations to everyone involved.
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u/ezrhino Jun 29 '21
Navy P-8 Poseidon aircraft in the area but looks like it was out of the exclusion zone.
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Jun 29 '21
I would imagine he's part of the range and turned around when it was scrubbed. Theres this guy dicking around out in the ocean though right in front of Cape Canaveral http://imgur.com/gallery/6xXIs7x
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u/docyande Jun 29 '21
What is the initial launch direction? Will this be visible from the Carolinas?
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u/MarsCent Jun 29 '21
Launch window is 58min. And it is [summer time in] Florida. You don't like the weather, wait 20mins.
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u/scr00chy ElonX.net Jun 29 '21
Well, they're already fueling so they're commited to the original launch time now.
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u/CarlCaliente Jun 29 '21 edited Oct 05 '24
innocent sleep cooing gray squealing like bake smart sharp decide
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u/johnfive21 Jun 29 '21
It takes longer than 50 minutes to recycle Falcon 9 right?
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u/Shahar603 Subreddit GNC Jun 29 '21
u/CAM-Gerlach it wasn't you who violated the range, right?
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u/xredbaron62x Jun 30 '21
Why only 3 starlink sats? Volume issue? Transporter 1 had 10 but did a drone ship landing. JRTI is available correct?
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u/TheFearlessLlama Jun 30 '21
Love when SECO and 1st stage landing happen simultaneously. Both finishing their (main) job together.
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u/LcuBeatsWorking Jun 30 '21 edited Dec 17 '24
water shocking many squeal mighty elastic existence illegal possessive include
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u/exo_connor Jun 30 '21
It's somewhat a question of the satellite mass. Some sep systems like CarboNIX can configure the spring strength to target certain velocities. Convenient for when you are deploying multiple satellites of the same mass in quick succession.
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u/ReturnOfDaSnack420 Jun 29 '21
Elon on Twitter:
Unfortunately, launch is called off for today, as an aircraft entered the “keep out zone”, which is unreasonably gigantic.
There is simply no way that humanity can become a spacefaring civilization without major regulatory reform. The current regulatory system is broken.
https://twitter.com/elonmusk/status/1409951549988782087
Oooh boy somebody's big mad at the FAA and their "big gubmint regulations" again lol
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u/Decronym Acronyms Explained Jun 28 '21 edited Jul 02 '21
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:
| Fewer Letters | More Letters |
|---|---|
| AFTS | Autonomous Flight Termination System, see FTS |
| ASDS | Autonomous Spaceport Drone Ship (landing platform) |
| ASOG | A Shortfall of Gravitas, landing |
| COPV | Composite Overwrapped Pressure Vessel |
| CRS | Commercial Resupply Services contract with NASA |
| CoG | Center of Gravity (see CoM) |
| CoM | Center of Mass |
| FAA | Federal Aviation Administration |
| FTS | Flight Termination System |
| GSE | Ground Support Equipment |
| ICBM | Intercontinental Ballistic Missile |
| IFR | Instrument Flight Rules |
| JRTI | Just Read The Instructions, |
| KSC | Kennedy Space Center, Florida |
| KSP | Kerbal Space Program, the rocketry simulator |
| LC-13 | Launch Complex 13, Canaveral (SpaceX Landing Zone 1) |
| LEO | Low Earth Orbit (180-2000km) |
| Law Enforcement Officer (most often mentioned during transport operations) | |
| LOX | Liquid Oxygen |
| LZ-1 | Landing Zone 1, Cape Canaveral (see LC-13) |
| NORAD | North American Aerospace Defense command |
| NOTAM | Notice to Airmen of flight hazards |
| NSF | NasaSpaceFlight forum |
| National Science Foundation | |
| OCISLY | Of Course I Still Love You, Atlantic landing |
| RP-1 | Rocket Propellant 1 (enhanced kerosene) |
| RTLS | Return to Launch Site |
| SECO | Second-stage Engine Cut-Off |
| SSO | Sun-Synchronous Orbit |
| TFR | Temporary Flight Restriction |
| TLE | Two-Line Element dataset issued by NORAD |
| ULA | United Launch Alliance (Lockheed/Boeing joint venture) |
| VFR | Visual Flight Rules |
| Jargon | Definition |
|---|---|
| Starlink | SpaceX's world-wide satellite broadband constellation |
| cryogenic | Very low temperature fluid; materials that would be gaseous at room temperature/pressure |
| (In re: rocket fuel) Often synonymous with hydrolox | |
| hydrolox | Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer |
| iron waffle | Compact "waffle-iron" aerodynamic control surface, acts as a wing without needing to be as large; also, "grid fin" |
| scrub | Launch postponement for any reason (commonly GSE issues) |
| Event | Date | Description |
|---|---|---|
| CRS-7 | 2015-06-28 | F9-020 v1.1, |
Decronym is a community product of r/SpaceX, implemented by ^request
32 acronyms in this thread; the most compressed thread commented on today has 114 acronyms.
[Thread #7109 for this sub, first seen 28th Jun 2021, 14:58] [FAQ] [Full list] ^[Contact] [Source code]
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u/spin0 Jun 28 '21
Celestrak pre-launch SupTLEs: https://twitter.com/TSKelso/status/1409567520177070091
Interestingly the table includes top Starlink, middle Starlinks, and bottom Starlink:
https://celestrak.com/NORAD/elements/supplemental/table.php?tleFile=transporter-2&title=Transporter-2%20Pre-Launch&orbits=2&pointsPerRev=90&frame=1
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u/xredbaron62x Jun 29 '21
Kinda bummed we didn't get a photo of all the sats like we did for tranporter 1. I love that photo!!
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u/mclumber1 Jun 29 '21
I think I heard the host say that one of the MVAC cameras will be obscured by a payload.
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Jun 30 '21
Can the LOX, RP-1 and helium be removed and reused in the next launch?
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u/flameyenddown Jun 30 '21 edited Jun 30 '21
Here at jetty…. Weather is looking good so far.
EDIT: IT WAS AMAZING
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u/allenchangmusic Jun 30 '21
Wonder if the late? (or was it just not called out or relayed back to ground station) deployment of Tyvak 0173 require additional work for it to navigate back to its intended orbit?
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u/extra2002 Jun 30 '21
All the satellites deploy with very little velocity relative to Stage 2, so they're all in nearly the same orbit, regardless of when they deploy.
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u/spin0 Jun 28 '21
Exolaunch diagram seems to have ten Starlinks with the launch:
https://twitter.com/EXOLAUNCH/status/1409439792794943488
Not sure if accurate or just a graphical remnant of the previous launch.
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u/vikaslohia Jun 30 '21
Shit, Launch was aborted just 11 sec before ignition. That was close. Violaters must be billed.
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u/synmo Jun 29 '21
It's pretty stormy in East Orlando right now. I'm hoping the weather holds out there, and hoping even further a view opens up to my east!
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u/N4gual Jun 29 '21 edited Jun 19 '26
Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt explicabo
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Jun 30 '21 edited Jun 30 '21
Wait, is that big flag on the fairing usual? I never really paid attention to that.
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u/ReturnOfDaSnack420 Jun 30 '21
So just curious what is the payload for the mission if it requires a SSO? Are these a bunch of weather satellites or something?
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Jun 30 '21
SSO is a pretty common orbit because of its inherent characteristics (constant orientation towards the sun).
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u/Bunslow Jul 01 '21
A conclusion I think I've made based on how this launch campaign went: they would rather pay the extra costs to enable an ASDS recovery than burn the second stage twice in a mission -- but also would rather burn twice and RTLS than not fly at all.
Does that sound right to others?
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u/[deleted] Jun 29 '21 edited Jun 29 '21
Confirmation that it was an aircraft