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Perseverance EDL, 18 Feb 2021
nprev
post Feb 2 2021, 10:02 AM
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Good morning from Los Angeles! Today of course is the big day, and this where we'll talk about Perseverance's entry, descent, and landing. For those members who haven't been on UMSF during a Mars landing, days like this have been quite a bit of fun--enjoy! smile.gif

Please see the Perseverance Arrival- Media Coverage Options thread for links to various ways to watch it happen. NASA TV coverage is now live at 0930 PST (1730 UTC). UMSF's own Emily Lakdawalla, author of "The Design and Engineering of Curiosity", will be hosting a YouTube broadcast of her own and her highly informed commentary interspersed with real-time events from JPL will be a first-class option.

Here's the planned sequence of events in Earth-received time (US Pacific Standard Time) and UTC. Times are of course approximate; there may be variations on the order of a few seconds. Get your peanuts and beverage of choice ready, and let's land on Mars!!!

12:38 (2038 UTC)- Cruise stage separation

12:48 (2048 UTC)- Atmospheric entry interface

12:49 (2049 UTC)- Peak heating, peak deceleration

12:52 (2052 UTC)- Chute deploy

12:52:20 (2052:20 UTC)- Heat shield separation

12:54 (2054 UTC)- Backshell separation, beginning of powered flight

12:55 (2055 UTC)- Skycrane, touchdown


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mcaplinger
post Feb 19 2021, 05:12 PM
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BTW, the documentary "Built for Mars: The Perseverance Rover" on NatGeo last night was excellent. Usually I find these things pretty cringeworthy for a variety of reasons, but this one was great. As someone who has on occasion gotten to be a technician (I torqued several screws on MCZ) it's a nice perspective of what it's like to build flight hardware, not often seen on TV.


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Disclaimer: This post is based on public information only. Any opinions are my own.
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MahFL
post Feb 21 2021, 05:41 AM
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QUOTE (mcaplinger @ Feb 19 2021, 05:12 PM) *
BTW, the documentary "Built for Mars: The Perseverance Rover" on NatGeo last night was excellent. Usually I find these things pretty cringeworthy for a variety of reasons, but this one was great. As someone who has on occasion gotten to be a technician (I torqued several screws on MCZ) it's a nice perspective of what it's like to build flight hardware, not often seen on TV.


Glad you mentioned the show, watching it now, 3 mins in and it's awesome.
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Posts in this topic
- nprev   Perseverance EDL   Feb 2 2021, 10:02 AM
- - climber   Peanuts ready here, go Perseverance   Feb 18 2021, 06:21 PM
|- - MahFL   indeed !   Feb 18 2021, 07:01 PM
- - Marvin   RE: Perseverance EDL   Feb 18 2021, 07:12 PM
- - nprev   Livecast from JPL live now on NASA TV.   Feb 18 2021, 07:18 PM
|- - Marvin   QUOTE (nprev @ Feb 18 2021, 03:18 PM) Liv...   Feb 18 2021, 07:27 PM
|- - ugordan   QUOTE (Marvin @ Feb 18 2021, 08:27 PM) As...   Feb 18 2021, 07:57 PM
- - jamescanvin   Emily's show is now live. https://www.youtub...   Feb 18 2021, 07:57 PM
- - nprev   Eyes On The DSN showing four antennas on Percy rig...   Feb 18 2021, 08:14 PM
- - climber   Lets' go for ONE peanut   Feb 18 2021, 08:18 PM
|- - MahFL   They keep saying "meters" to target. Is ...   Feb 18 2021, 08:23 PM
- - Mercure   Pistachios finished, switching to peanuts, on my m...   Feb 18 2021, 08:35 PM
- - nprev   Cruise stage sep!!!!   Feb 18 2021, 08:38 PM
- - climber   See the carrier in Green Bank   Feb 18 2021, 08:41 PM
- - Marvin   MRO will relay live data, 5 minutes to entry inter...   Feb 18 2021, 08:43 PM
- - Pando   I'm back. whohooo!   Feb 18 2021, 08:44 PM
|- - climber   QUOTE (Pando @ Feb 18 2021, 09:44 PM) I...   Feb 18 2021, 08:46 PM
- - atomoid   Here we go.. white knuckles Local brewery's ...   Feb 18 2021, 08:44 PM
- - nprev   Deploy peanuts at entry interface!   Feb 18 2021, 08:47 PM
- - nprev   Entry interface.   Feb 18 2021, 08:48 PM
- - Pando   My Eyes on Mars crashed. Mars turned into a black ...   Feb 18 2021, 08:48 PM
|- - Antdoghalo   QUOTE (Pando @ Feb 18 2021, 03:48 PM) My ...   Feb 18 2021, 08:54 PM
- - TheChemist   Fingers crossed, the forum ghosts are back   Feb 18 2021, 08:49 PM
- - nprev   CHUTE!!!!   Feb 18 2021, 08:52 PM
- - phase4   My kids ate all my peanuts. Just when things get e...   Feb 18 2021, 08:54 PM
- - nprev   POWERED FLIGHT!!!   Feb 18 2021, 08:54 PM
- - nprev   TOUCHDOWN!!!!!   Feb 18 2021, 08:56 PM
- - Mercure   Tango Delta nominal Touchdown!   Feb 18 2021, 08:56 PM
- - TheChemist   Congratulations to everybody, Persy has landed.   Feb 18 2021, 08:58 PM
- - Marvin   Outstanding! Images incoming. Congratulations...   Feb 18 2021, 08:58 PM
- - nprev   FIRST HAZCAM PICS!   Feb 18 2021, 08:58 PM
- - Phil Stooke   No longer turning blue. Excellent! Yes, ther...   Feb 18 2021, 08:59 PM
- - fredk   Hazcam thumbnail - have you identified any feature...   Feb 18 2021, 09:00 PM
- - phase4   Yes! Pictures! Congratulations Rover team...   Feb 18 2021, 09:00 PM
- - Marvin   RE: Perseverance EDL   Feb 18 2021, 09:00 PM
- - nprev   Let's start migrating the discussion to the ne...   Feb 18 2021, 09:01 PM
- - Mercure   Pic   Feb 18 2021, 09:01 PM
- - angel1801   I watched the landing live on a Youtube stream.   Feb 18 2021, 09:02 PM
- - akuo   Well done team! Go Percy!   Feb 18 2021, 09:03 PM
- - paxdan   Huzzah!   Feb 18 2021, 09:04 PM
- - Olympusmonsuk   That ladies and gentlemen is how you land on Mars....   Feb 18 2021, 09:08 PM
- - Nix   Phew . Congratulations!   Feb 18 2021, 09:11 PM
- - Steve G   Congratulations. Amazing job. My heartbeat is stil...   Feb 18 2021, 09:12 PM
|- - Steve5304   QUOTE (Steve G @ Feb 18 2021, 10:12 PM) C...   Feb 18 2021, 09:20 PM
|- - MERovingian   QUOTE (Steve5304 @ Feb 18 2021, 10:20 PM)...   Feb 18 2021, 09:29 PM
|- - climber   QUOTE (Steve5304 @ Feb 18 2021, 10:20 PM)...   Feb 18 2021, 09:30 PM
- - Tom Tamlyn   Emily Lakdawalla's broadcast was great.   Feb 18 2021, 09:20 PM
|- - ElkGroveDan   QUOTE (Tom Tamlyn @ Feb 18 2021, 02:20 PM...   Feb 18 2021, 09:21 PM
- - ElkGroveDan   No images yet .... https://mars.nasa.gov/mars2...   Feb 18 2021, 09:20 PM
- - Julius   Congrats to the Mars 2020 team on a successful lan...   Feb 18 2021, 09:24 PM
- - Steve G   Lander used 305 out of 401 Kgs of fuel, and flew a...   Feb 18 2021, 09:26 PM
- - MERovingian   Warmest congratulations to all of JPL!! Wh...   Feb 18 2021, 09:26 PM
- - scorpion136   During the press conference it was noted that velo...   Feb 19 2021, 01:29 AM
|- - dmuller   QUOTE (scorpion136 @ Feb 19 2021, 12:29 P...   Feb 21 2021, 10:17 PM
- - climber   US Mars landings technics so far : Powered descen...   Feb 19 2021, 01:10 PM
|- - pioneer   QUOTE (climber @ Feb 19 2021, 01:10 PM) U...   Feb 19 2021, 01:50 PM
|- - Paolo   QUOTE (pioneer @ Feb 19 2021, 02:50 PM) W...   Feb 19 2021, 02:07 PM
|- - Alan Stern   QUOTE (Paolo @ Feb 19 2021, 03:07 PM) Mar...   Feb 19 2021, 02:32 PM
- - John Whitehead   QUOTE (scorpion136 @ Feb 19 2021, 01:29 A...   Feb 19 2021, 04:04 PM
- - Explorer1   Near term, the press conference in about an hour i...   Feb 19 2021, 04:56 PM
- - mcaplinger   BTW, the documentary "Built for Mars: The Per...   Feb 19 2021, 05:12 PM
|- - MahFL   QUOTE (mcaplinger @ Feb 19 2021, 05:12 PM...   Feb 21 2021, 05:41 AM
|- - ugordan   QUOTE (mcaplinger @ Feb 19 2021, 06:12 PM...   Feb 23 2021, 07:04 PM
- - John Whitehead   This is regarding remaining fuel in the sky crane,...   Feb 21 2021, 05:24 AM
|- - MahFL   QUOTE (John Whitehead @ Feb 21 2021, 05:2...   Feb 21 2021, 05:29 AM
|- - djellison   QUOTE (John Whitehead @ Feb 20 2021, 09:2...   Feb 21 2021, 08:46 PM
- - PDP8E   I guess this belongs in the EDL thread... Persever...   Feb 22 2021, 02:34 AM
- - MrNatural   I don't know about the rest of you, but I am r...   Feb 22 2021, 02:44 PM
|- - MahFL   QUOTE (MrNatural @ Feb 22 2021, 03:44 PM)...   Feb 22 2021, 06:32 PM
- - John Whitehead   QUOTE (djellison @ Feb 21 2021, 09:46 PM)...   Feb 22 2021, 06:37 PM
|- - Mercure   QUOTE (John Whitehead @ Feb 22 2021, 07:3...   Feb 22 2021, 09:27 PM
- - Pando   Full video - a few seconds before touchdown. Amaz...   Feb 22 2021, 08:56 PM
- - Phil Stooke   Skycrane crash: Don't forget that a plan publi...   Feb 22 2021, 09:10 PM
- - nprev   Spent all day working at the job that pays me, jus...   Feb 23 2021, 12:31 AM
- - MarT   Just a quick and dirty run on the Perseverance Rov...   Feb 23 2021, 02:13 AM
|- - James Sorenson   QUOTE (MarT @ Feb 22 2021, 06:13 PM) I ha...   Feb 23 2021, 02:24 AM
||- - MahFL   Does anyone know if the springs on the heat shield...   Feb 23 2021, 05:38 AM
|||- - stevesliva   QUOTE (MahFL @ Feb 23 2021, 12:38 AM) Doe...   Feb 23 2021, 05:52 AM
||- - Greenish   QUOTE (James Sorenson @ Feb 22 2021, 09:2...   Feb 23 2021, 05:38 AM
||- - MarsInMyLifetime   QUOTE (Greenish @ Feb 22 2021, 11:38 PM) ...   Feb 23 2021, 08:59 AM
|- - erentar   QUOTE (MarT @ Feb 23 2021, 03:13 AM) I ha...   Feb 23 2021, 12:25 PM
- - Mercure   Regarding the parachute movies/images. They're...   Feb 23 2021, 02:18 PM
|- - MarT   QUOTE (Mercure @ Feb 23 2021, 03:18 PM) R...   Feb 23 2021, 04:03 PM
- - Greenish   MarsInMyLifetime & erentar, so cool - I knew t...   Feb 23 2021, 02:32 PM
- - xflare   The MARDI camera on Curiosity captured the heatshi...   Feb 24 2021, 11:37 AM
- - charborob   I was wondering at what moment exactly the upward-...   Feb 24 2021, 02:09 PM
- - djellison   Turned on just before chute deploy - but behind th...   Feb 24 2021, 03:38 PM
- - Hungry4info   This raw image shows what I think we can much more...   Feb 24 2021, 11:42 PM
- - Explorer1   Certainly seems so much larger than the Curiosity ...   Feb 25 2021, 12:14 AM
- - atomoid   I think there ever was only one frame of Curiosity...   Feb 25 2021, 03:37 AM
|- - ugordan   Yes, the Martian atmosphere is a pretty high vacuu...   Feb 25 2021, 09:06 AM
- - Andreas Plesch   Comparing pre- and post-landing high resolution im...   Feb 25 2021, 08:59 PM
- - John Whitehead   QUOTE (ugordan @ Feb 25 2021, 10:06 AM) h...   Feb 25 2021, 10:58 PM
- - fredk   I was surprized when they showed the EDL videos so...   Feb 26 2021, 01:33 AM
|- - MahFL   QUOTE (fredk @ Feb 26 2021, 02:33 AM) I w...   Feb 26 2021, 05:29 AM
- - Andreas Plesch   I realized that you can actually see the ripple ju...   Feb 28 2021, 01:19 AM
|- - fredk   QUOTE (Andreas Plesch @ Feb 28 2021, 02:1...   Mar 1 2021, 04:30 PM
- - MarkL   Has anyone found out why the secondary timestamp o...   Mar 1 2021, 08:27 PM
- - mcaplinger   QUOTE (MarkL @ Mar 1 2021, 12:27 PM) Has ...   Mar 1 2021, 08:35 PM
- - MarkL   QUOTE (mcaplinger @ Mar 1 2021, 08:35 PM)...   Mar 2 2021, 05:48 PM
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