Author Topic: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD  (Read 150674 times)

Offline Chris Bergin

LIVE LAUNCH DAY THREAD FOR ANTARES A-ONE THIRD ATTEMPT.

Third time's a charm.

T-0 is aiming for 5pm Eastern (9pm GMT, 10pm UK). Window will be 10-15 mins once the T-0 is confirmed.

Please note the difference between this thread and the other threads. This thread should be UPDATES ONLY. Posts that are not will be deleted without notice.

FIRST ATTEMPT - SCRUB:
http://forum.nasaspaceflight.com/index.php?topic=31663.0

SECOND ATTEMPT - SCRUB:
http://forum.nasaspaceflight.com/index.php?topic=31696.0

DISCUSSION THREAD (2):
http://forum.nasaspaceflight.com/index.php?topic=31662.0

For everything else, here's the Party Thread:
http://forum.nasaspaceflight.com/index.php?topic=30923.0

Viewing Opportunities/Going to the Launch:
http://forum.nasaspaceflight.com/index.php?topic=31517.0

--

MAIN PRE-LAUNCH RESOURCES:

Orbital’s Antares closing in on debut launch following pad arrival:
http://www.nasaspaceflight.com/2012/10/orbitals-antares-closing-debut-launch-pad-arrival/

Flight of the Antares – Orbital closing in on long-awaited debut:
http://www.nasaspaceflight.com/2013/01/flight-antares-orbital-long-awaited-debut/

Hot fire success for Orbital’s Antares:
http://www.nasaspaceflight.com/2013/02/hot-fire-success-orbitals-antares/

Stars align for Orbital's Antares – A-One debut set for mid-April:
http://www.nasaspaceflight.com/2013/03/orbitals-antares-debut-a-one-mission-april/

Orbital’s Antares: An eye on the present and the future:
http://www.nasaspaceflight.com/2013/04/orbitals-antares-eye-on-present-future/

LAUNCH DAY ARTICLE (ATTEMPT 1, SCRUB, ATTEMPT 2, SCRUB, ATTEMPT 3):
http://www.nasaspaceflight.com/2013/04/orbital-antares-debut-launch-attempt/ 

---
Previous pre-launch flow update thread:
http://forum.nasaspaceflight.com/index.php?topic=30921.0

Orbital GENERAL Forum Section:
http://forum.nasaspaceflight.com/index.php?board=46.0

Orbital (Antares/Cygnus) News Articles (Recent):
http://www.nasaspaceflight.com/tag/antares/

L2 Antares/Cygnus Section:
http://forum.nasaspaceflight.com/index.php?action=tags&tags=orbital
(Includes updates, videos, graphics, presentations and specific interactive posts with engineers etc.)

As always, stay on topic and use the correct threads.
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Offline jsmjr

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How's the weather holding up?

Offline yg1968

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NASA TV coverage starts at 4:30 p.m.

Quote
The next launch attempt is scheduled to take place no earlier than Sunday, April 21, with a window extending from 5 - 8 p.m. EDT. NASA TV and webcast launch coverage will begin at 4:30 p.m. EDT on www.NASA.gov.

http://www.nasa.gov/exploration/commercial/cargo/orbitalsciences-index.html

But see this link for earlier webcast coverage today:
http://www.ustream.tv/channel/stennisaj26-1/theater
« Last Edit: 04/21/2013 02:37 pm by yg1968 »

Online Galactic Penguin SST

How's the weather holding up?

Satellite photos shows not a cloud in the sky all over the US east coast!  :)
The current METAR at Wallops reports the same thing: METAR KWAL 211254Z 03013G17KT 10SM CLR 09/M03 A3053 RMK AO2 SLP336 T00941028

The only thing I'm not sure is the surface winds - what's the limit? (current wind is 13 knots from the north-east gusting to 17 knots)
Astronomy & spaceflight geek penguin. In a relationship w/ Space Shuttle Discovery. Current Priority: Chasing the Chinese Spaceflight Wonder Egg & A Certain Chinese Mars Rover

Online Galactic Penguin SST

How's the weather holding up?

Satellite photos shows not a cloud in the sky all over the US east coast!  :)
The current METAR at Wallops reports the same thing: METAR KWAL 211254Z 03013G17KT 10SM CLR 09/M03 A3053 RMK AO2 SLP336 T00941028

The only thing I'm not sure is the surface winds - what's the limit? (current wind is 13 knots from the north-east gusting to 17 knots)

These photos at sunrise should show how clear today's skies are! Amazing!  :o

http://www.flickr.com/photos/nasahqphoto/sets/72157633278343080/

Astronomy & spaceflight geek penguin. In a relationship w/ Space Shuttle Discovery. Current Priority: Chasing the Chinese Spaceflight Wonder Egg & A Certain Chinese Mars Rover

Offline yg1968

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How's the weather holding up?

Satellite photos shows not a cloud in the sky all over the US east coast!  :)
The current METAR at Wallops reports the same thing: METAR KWAL 211254Z 03013G17KT 10SM CLR 09/M03 A3053 RMK AO2 SLP336 T00941028

The only thing I'm not sure is the surface winds - what's the limit? (current wind is 13 knots from the north-east gusting to 17 knots)

A SFN article says:
Quote
The weather rules for the Antares rocket call for winds of less than 20 knots, no cloud ceiling below 6,000 feet, and no chance of lightning.
« Last Edit: 04/21/2013 03:11 pm by Davinator »

Offline yg1968

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Webcast coverage is now live (no audio on this channel):
http://www.ustream.tv/channel/stennisaj26-1/theater
« Last Edit: 04/21/2013 02:16 pm by yg1968 »

Offline Prober

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large pic shows a beautiful day
2017 - Everything Old is New Again.
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Offline antonioe

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WX brief in progress... MAX ALTITUDE WINDS 88KTS!!! A bit better than yesterday's 105 to 120...  surface winds forecasted 10-14KTS Gusting to 17K - conservative POV of 20% (all of it surface winds) at 5 pm.

Since there appears to be some confusion about what winds do and who can waive what (mostly on OTHER media sources, not here!) I will be posting a brief summary of MY understanding of the situation on the General Discussion thread (to keep with the spirit of this one.)
ARS LONGA, VITA BREVIS...

Offline yg1968

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Thanks! What does POV mean?
« Last Edit: 04/21/2013 02:59 pm by yg1968 »

Offline antonioe

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #10 on: 04/21/2013 02:58 pm »
Probabiity of Violation of any of the criteria covered by the forecast.

Warm Helium flowing to the vehicle.
ARS LONGA, VITA BREVIS...

Offline Ben the Space Brit

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #11 on: 04/21/2013 03:05 pm »
At the risk of inflicting the curse of Murray Walker (British motor racing fans will understand that), the weather looks like it is going to co-operate today.  Now it's up to Antares v.1 and the infrastructure at LP-0A to work as advertised.
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Offline antonioe

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #12 on: 04/21/2013 03:08 pm »
Last balloon data's DFO is green - debris and toxicity due shortly (toxicity is always very low for THIS flight since it's only the RP-1 and plume constituents - no Hydrazine or N2O4; we will  have to wait for Cygnus to worry about that.)

Previous balloon was green for all criteria - range and FAA (see my explanation on the General thread.)

Unless I'm very much mistaken, we're going to launch a rocket today!
« Last Edit: 04/21/2013 03:16 pm by antonioe »
ARS LONGA, VITA BREVIS...

Offline zeke01

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #13 on: 04/21/2013 03:18 pm »
NWS weather guidance suggest that winds will gradually diminish during the afternoon and become more easterly with time.

KWAL  GFS LAMP GUIDANCE   4/21/2013  1400 UTC
 UTC   17 18 19 20 21 22 23 00 
 EDT   1p 2p 3p 4p 5p 6p 7p 8p 
 WDR  06 07 07 08 08 09 10 10
 WSP  15 15 14 13 12 11 10 09
 WGS  21 21 20 19 18 --  -- --

WDR == Wind direction in tens of degrees 09 == 90 degrees (due east)
WSP == Wind Speed in knots
WGS == Wind Gusts in knots

"--" gusts do not reach reporting criteria in METAR/SPECI.

Offline antonioe

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #14 on: 04/21/2013 03:28 pm »
Last balloon debris analysis green
ARS LONGA, VITA BREVIS...

Offline just-nick

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #15 on: 04/21/2013 03:42 pm »
Webcast coverage is now live (no audio on this channel):
http://www.ustream.tv/channel/stennisaj26-1/theater
Looks like they lost their feed (to) ustream...hope it comes back...

Offline yg1968

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #16 on: 04/21/2013 03:54 pm »
It's still online for me.

Offline clongton

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #17 on: 04/21/2013 04:07 pm »
Webcast coverage is now live (no audio on this channel):
http://www.ustream.tv/channel/stennisaj26-1/theater
Looks like they lost their feed (to) ustream...hope it comes back...

Still live for me.
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I started my career on the Saturn-V F-1A engine

Offline just-nick

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #18 on: 04/21/2013 04:26 pm »
Webcast coverage is now live (no audio on this channel):
http://www.ustream.tv/channel/stennisaj26-1/theater
Looks like they lost their feed (to) ustream...hope it comes back...

Still live for me.
Yeah, thanks, still playing on a different platform, just seemes it won't load on a iDevice.

Offline yg1968

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Re: LIVE: Orbital Antares A-ONE LAUNCH ATTEMPT 3 UPDATE THREAD
« Reply #19 on: 04/21/2013 04:54 pm »
Quote
TVC Initial checks are complete and satisfactory. We are filling the subcooler with LN2 at this time.

https://twitter.com/OrbitalSciences/status/326013782973353984

Quote
next round of upper level wind assessments is green. The team is about to re-enter the pad to make minor component adjustments.

https://twitter.com/OrbitalSciences/status/326014629597806593
« Last Edit: 04/21/2013 04:54 pm by yg1968 »

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