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#100
by
rcoppola
on 05 Dec, 2014 12:06
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Congratulations to ULA - Delta IV teams and Nasa, Orion Teams!
And to you Night Gator. No idea how you were involved but I'm assuming you were?
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#101
by
Jim
on 05 Dec, 2014 12:46
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Congratulations to ULA - Delta IV teams and Nasa, Orion Teams!
And to you Night Gator. No idea how you were involved but I'm assuming you were?
Providing the processing facility and support; and comm requirements documentation (to fill in the gaps of what ULA and LM couldn't supply) .
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#102
by
RamjetFDO
on 05 Dec, 2014 13:20
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I concur with Jim.
If you'd like, you could say Orion is in it's (ridiculously elliptical and about to be really hot) post-deorbit-burn trajectory, but yeah ... no longer "in orbit".
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#103
by
Yeknom-Ecaps
on 05 Dec, 2014 13:21
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NASA/DOD did not publish any list of tracking sites for Orion EFT-1.
On NASA TV the commentator mentioned tracking stations participating in the mission: Antigua, South Africa, Diego Garcia, Kwajelein, Hawaii (may have missed one). Any idea what type/city (location) of these stations?
Others I know of are support locations:
Patrick AFB: 920 Rescue Wing, 45th Weather Wing, Range Support Operations
NASA Centers: Johnson, Glenn, Armstrong, Ames
White Sands TDRSS station
Schriever AFB - NORAD tracking
Recovery
Fleet Weather Center - San Diego
Naval Station - San Diego (port after recovery, ship Orion back to KSC)
US Navy - USS Anchorage and USNS Salvor
Any others?
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#104
by
kneecaps
on 05 Dec, 2014 13:21
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Regarding the cameras, one of the damage mechanisms for camera sensors by ionizing radiation is 'over charging' of the sensor. If the sensor is powered down the margins before this damage happens are much higher.
That's about as much as I can say in a short post. It is much more sensible to power them down.
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#105
by
Hog
on 05 Dec, 2014 13:21
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Assume for a moment that Orion is manned.
If the Astronauts onboard closed their eyes, is then when they would notice the blue streaks in their vision? (Cherenkov radiation)
I heard someone say that the cosmic rays are the issue when traversing the VanAllen belt. Is this true?
Are particles from the Solar wind or Cosmic rays more of an issue for a imagined "manned EFT-1"?
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#106
by
kneecaps
on 05 Dec, 2014 13:23
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I concur with Jim.
If you'd like, you could say Orion is in it's (ridiculously elliptical and about to be really hot) post-deorbit-burn trajectory, but yeah ... no longer "in orbit".
Totally agree. I just didn't want any folks getting the impression Orion was heading off somewhere else!
(Roger! I was just thinking how awesome it would be if you were online, while we are in a bit of a coast can you comment on the attitude for the second burn?)
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#107
by
Thorny
on 05 Dec, 2014 13:25
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Quick notes on US media coverage.
CNN and MSNBC did not provide live coverage at all. CNNHN showed a replay about two minutes after launch.
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#108
by
RamjetFDO
on 05 Dec, 2014 13:29
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(Roger! I was just thinking how awesome it would be if you were online, while we are in a bit of a coast can you comment on the attitude for the second burn?)
That apogee altitude is pretty breath-taking... the altitude-vs-time plot they showed on NASA TV a bit ago was really impressive.
It'll be good to have this trajectory data for a *lot* of reasons, including being able to re-test a lot of the trajectory prediction vs tracking vs onboard systems for spacecraft like this. Things have progressed quite a bit (duh) since Apollo, so this is a good real-world test to pass.
Now, if only there was something else to do with this information other than wait for another 3-4 years. (frown)
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#109
by
LouScheffer
on 05 Dec, 2014 13:31
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I concur with Jim.
If you'd like, you could say Orion is in it's (ridiculously elliptical and about to be really hot) post-deorbit-burn trajectory, but yeah ... no longer "in orbit".
Sure, but suppose they now circularize at apogee (I realize they have no intent to do this and no fuel to do it anyway, but supposing). So would you say that during this period they are *not* in orbit? That seems really weird, too.
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#110
by
Jim
on 05 Dec, 2014 13:35
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NASA Centers: Johnson, Glenn, Armstrong, Ames
Glenn, Armstrong, Ames had little to do with operational support.
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#111
by
Jim
on 05 Dec, 2014 13:44
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NASA/DOD did not publish any list of tracking sites for Orion EFT-1.
On NASA TV the commentator mentioned tracking stations participating in the mission: Antigua, South Africa, Diego Garcia, Kwajelein, Hawaii (may have missed one). Any idea what type/city (location) of these stations?
Others I know of are support locations:
Patrick AFB: 920 Rescue Wing, 45th Weather Wing, Range Support Operations
White Sands TDRSS station
Schriever AFB - NORAD tracking
The Eastern Range which is run by the 45th Space Wing's 1st Range Operations Squadron has tracking sites at Cape Canaveral AFS (TEL-IV), JDMTA, and Antigua AS. It is also the lead range for the mission.
The Air Force Satellite Control Network is managed by the 50th Space Wing out of Schriever AFB, CA and has sites at Hawaii, Guam, Vandenberg AFB, and Diego Garcia.
The Army's Reagan Test Site at Kwajelein has tracking assets providing support
The NASA TDRSS has a ground station at White Sands but Goddard SFC distributes the data.
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#112
by
I14R10
on 05 Dec, 2014 13:48
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I have one question. Is Brandi married?
Just kidding, the real question is, is Orion pressurized as it would be if there were astronauts inside?
And one more - are these camera footage recorded onboard or do they just transmit video? Because I would like to know if we would get some HQ video from them after splashdown.
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#113
by
Jim
on 05 Dec, 2014 13:50
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I have one question. Is Brandi married? Just kidding, the real question is, is Orion pressurized as it would be if there were astronauts inside?
Answered earlier in the thread.
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#114
by
Zed_Noir
on 05 Dec, 2014 13:50
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@Jim
Is Wideawake on Ascension Island involved with the tracking?
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#115
by
RamjetFDO
on 05 Dec, 2014 13:51
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I concur with Jim.
If you'd like, you could say Orion is in it's (ridiculously elliptical and about to be really hot) post-deorbit-burn trajectory, but yeah ... no longer "in orbit".
Sure, but suppose they now circularize at apogee (I realize they have no intent to do this and no fuel to do it anyway, but supposing). So would you say that during this period they are *not* in orbit? That seems really weird, too.
Nope. I'd say they were in a transfer orbit, but that transfer orbit was "re-entrant".
Shuttle ascent trajectories were re-entrant until OMS-2. We weren't safely in orbit until then.
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#116
by
I14R10
on 05 Dec, 2014 13:52
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Answered earlier in the thread.
Answering "yes" or "no" would be easier, but thanks anyway.
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#117
by
Jim
on 05 Dec, 2014 13:53
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@Jim
Is Wideawake on Ascension Island involved with the tracking?
I believe they are shutting it down. Don't need it with TDRSS
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#118
by
newpylong
on 05 Dec, 2014 14:13
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Answered earlier in the thread.
Answering "yes" or "no" would be easier, but thanks anyway.
Of course it's pressurized.
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#119
by
mcgyver
on 05 Dec, 2014 14:21
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Can't find Orion ephemeris on heavens-above site. How can I know if it's gonna pass over my head in next minutes?
Just kidding, the real question is, is Orion pressurized as it would be if there were astronauts inside?