Author Topic: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates  (Read 88866 times)

Offline theinternetftw

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Press kit and patch.

Offline Robotbeat

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #62 on: 04/15/2018 11:11 PM »
Elon: “SpaceX will try to bring rocket upper stage back from orbital velocity using a giant party balloon”

https://twitter.com/elonmusk/status/985654333860601856?s=21
« Last Edit: 04/15/2018 11:12 PM by Robotbeat »
Chris  Whoever loves correction loves knowledge, but he who hates reproof is stupid.

To the maximum extent practicable, the Federal Government shall plan missions to accommodate the space transportation services capabilities of United States commercial providers. US law http://goo.gl/YZYNt0

Offline Robotbeat

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #63 on: 04/15/2018 11:25 PM »
Elon: “SpaceX will try to bring rocket upper stage back from orbital velocity using a giant party balloon”

https://twitter.com/elonmusk/status/985654333860601856?s=21
Umm... what?


Discussion of the mission-related specifics in the discussion thread (party balloon starts here: https://forum.nasaspaceflight.com/index.php?topic=36349.msg1810827#msg1810827 ).
Edit/gongora:  This has nothing to do with TESS.  Discussion goes into the second stage reuse thread.

General F9 second stage reuse in this thread: https://forum.nasaspaceflight.com/index.php?topic=42637.msg1810828#msg1810828

EDIT/Robotbeat:Gongora is correct. TESS’s upper stage to be disposed of via Earth escape, so it won’t reenter.
« Last Edit: 04/15/2018 11:53 PM by Robotbeat »
Chris  Whoever loves correction loves knowledge, but he who hates reproof is stupid.

To the maximum extent practicable, the Federal Government shall plan missions to accommodate the space transportation services capabilities of United States commercial providers. US law http://goo.gl/YZYNt0

Online jebbo

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #64 on: 04/16/2018 01:35 AM »
Revised science yields from Barclay et al:

A Revised Exoplanet Yield from the Transiting Exoplanet Survey Satellite (TESS)


Quote
The MIT-led Transiting Exoplanet Survey Satellite (TESS) has a goal of detecting terrestrial-mass planets orbiting stars bright enough for mass determination via ground-based radial velocity observations. Here we present estimates of how many exoplanets the TESS mission will detect, physical properties of the detected planets, and the properties of the stars that those planets orbit. This work uses stars drawn from the TESS Input Catalog Candidate Target List and revises yields from prior studies that were based on Galactic models. We model the TESS observing strategy to select approximately 200,000 stars at 2-minute cadence, while the remaining stars are observed at 30-min cadence in full-frame image data. We place zero or more planets in orbit around each star, with physical properties following measured exoplanet occurrence rates, and use the TESS noise model to predict the derived properties of the detected exoplanets. In the TESS 2-minute cadence mode we estimate that TESS will find 1250+/-70 exoplanets (90% confidence), including 250 smaller than 2 Earth-radii. Furthermore, we predict an additional 3200 planets will be found in full-frame image data orbiting bright dwarf stars and more than 10,000 around fainter stars. We predict that TESS will find 500 planets orbiting M-dwarfs, but the majority of planets will orbit stars larger than the Sun. Our simulated sample of planets contains hundreds of small planets amenable to radial velocity follow-up, potentially more than tripling the number of planets smaller than 4 Earth-radii with mass measurements. This sample of simulated planets is available for use in planning follow-up observations and analyses.

arxiv paper
« Last Edit: 04/16/2018 01:36 AM by jebbo »

Online FutureSpaceTourist

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #65 on: 04/16/2018 05:55 AM »

Online FutureSpaceTourist

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #66 on: 04/16/2018 12:15 PM »
Quote
The @SpaceX #Falcon9 for @NASA_TESS is vertical on SLC-40 @NASAKennedy. Go #TESS

https://twitter.com/nasa_tess/status/985850610565156864

Edit to add 2nd shot: https://twitter.com/nasa_tess/status/985858273164365825
« Last Edit: 04/16/2018 01:06 PM by FutureSpaceTourist »

Online FutureSpaceTourist

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #67 on: 04/16/2018 01:59 PM »
Photos from SpaceX website


Online FutureSpaceTourist

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #69 on: 04/16/2018 07:21 PM »
Quote
My first round of prelaunch images are in of the brand new Block 4 Falcon 9 with @NASA_TESS aboard, preparing for launch tonight from Florida at 6:31pm. #spacex #falcon9 #nasa #TESSLaunch

https://twitter.com/_tomcross_/status/985957000185106433

Offline ChrisGebhardt

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #70 on: 04/16/2018 07:32 PM »
T-3hrs and COUNTING!  Clocks are now counting down to the 18:32:07 EDT (22:32:07 UTC) launch of TESS on a Falcon 9.

Offline ChrisGebhardt

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #71 on: 04/16/2018 07:46 PM »
Clocks here at Kennedy have stopped.  If the count has indeed stopped, we will not be launching today.  Will update when I have more.

Offline jcm

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #72 on: 04/16/2018 07:47 PM »
Clocks here at Kennedy have stopped.  If the count has indeed stopped, we will not be launching today.  Will update when I have more.

Folks on the VIP bus report they have been told it's a scrub
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http://planet4589.org

Offline ChrisGebhardt

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #73 on: 04/16/2018 07:50 PM »
Scrubbed for today.  Waiting on turnaround information.

Offline ChrisGebhardt

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #74 on: 04/16/2018 07:57 PM »
Delay is at least 48hrs to Wednesday at 18:51 EDT (22:51 UTC).

Online FutureSpaceTourist

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #75 on: 04/16/2018 08:20 PM »
Quote
Standing down today to conduct additional GNC analysis, and teams are now working towards a targeted launch of @NASA_TESS on Wednesday, April 18.

https://twitter.com/spacex/status/985975566535831552
« Last Edit: 04/16/2018 08:20 PM by FutureSpaceTourist »

Offline ChrisGebhardt

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #76 on: 04/16/2018 08:22 PM »
TESS's daily launch times.

Online Elthiryel

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #77 on: 04/16/2018 09:28 PM »
45th Weather Squadron has released an updated weather forecast.

>90% GO for a launch day (main concern: Cumulus Cloud Rule), ULWs at 55 knots
90% GO for a delay day (main concern: Thick Cloud Layer Rule), ULWs at 65 knots
GO for launch, GO for age of reflight

Offline vaporcobra

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #78 on: 04/17/2018 12:40 AM »
GO Searcher returned to Port Canaveral about an hour ago, presumably to ferry crew in light of the 48 hour delay.

Online FutureSpaceTourist

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Re: LIVE: SpaceX Falcon 9 : TESS : April 18, 2018 : Updates
« Reply #79 on: 04/17/2018 02:55 PM »
L-1 launch forecast still looks excellent, 90+% GO:

Quote
Launch day probability of violating launch weather constraints: <10%
Primary concern(s): Cumulus Cloud Rule
Delay day probability of violating launch weather constraints: 10%
Primary concern(s): Thick Cloud Layer Rule
« Last Edit: 04/17/2018 03:09 PM by FutureSpaceTourist »

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