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MRO MOI Events Timeline, Time Zone Friendly
volcanopele
post Mar 10 2006, 09:56 PM
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AOS = Acquision of Signal


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tty
post Mar 10 2006, 09:56 PM
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Acquisition of signal
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Guest_AlexBlackwell_*
post Mar 10 2006, 09:58 PM
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Did I hear correctly? There was a 1% under- or overburn? Either is within the acceptable margin, though.
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yaohua2000
post Mar 10 2006, 09:59 PM
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QUOTE (Marcel @ Mar 10 2006, 09:54 PM) *
Can anyone tell me what's AOS.


acquisition of signal
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RNeuhaus
post Mar 10 2006, 10:03 PM
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Hello, About the graph Mars Reconnaisence Orbiter Doppler, what is referring the y-axis (from 10,000 at the top and -90,000 at the bottom)?

Rodolfo
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Redstone
post Mar 10 2006, 10:03 PM
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QUOTE (AlexBlackwell @ Mar 10 2006, 04:58 PM) *
Did I hear correctly? There was a 1% under- or overburn? Either is within the acceptable margin, though.

1 % underburn due to lower temperatures and hence lower pressures in the prop system, I think.
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djellison
post Mar 10 2006, 10:04 PM
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QUOTE (AlexBlackwell @ Mar 10 2006, 09:58 PM) *
Did I hear correctly? There was a 1% under- or overburn? Either is within the acceptable margin, though.



Well - until AOS we're not going to know are we? The burn finished 'in the blind' from our perspsective. It might have been performing slightly under, but the spacecraft was counting delta-V, not seconds, so it should have just burnt 1% longer.

Doug
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tty
post Mar 10 2006, 10:07 PM
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QUOTE (RNeuhaus @ Mar 10 2006, 11:03 PM) *
Hello, About the graph Mars Reconnaisence Orbiter Doppler, what is referring the y-axis (from 10,000 at the top and -90,000 at the bottom)?

Rodolfo


Presumably Doppler shift in Hz.
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deglr6328
post Mar 10 2006, 10:07 PM
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mro website dead? sad.gif
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Marcel
post Mar 10 2006, 10:09 PM
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QUOTE (djellison @ Mar 10 2006, 11:04 PM) *
Well - until AOS we're not going to know are we?
Doug

Will we know if it's OK AT the moment of signal appearance or does the orbit assesment needs to be done first to be sure ?
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RNeuhaus
post Mar 10 2006, 10:10 PM
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Only 5 minutes away to wait about the AOS millestone!

Rodolfo

New edit: plus about 13 minutes of lag time so it is 18 minutes later.
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Redstone
post Mar 10 2006, 10:12 PM
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Marcel, a signal means the spacecraft is healthy. They'll need 5 minutes of telemetry to get basic details on the burn. Need 30 minutes or so to get a fix on the resulting orbit.
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Nix
post Mar 10 2006, 10:13 PM
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We're ready MRO!

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paxdan
post Mar 10 2006, 10:15 PM
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NASA TV feed wow they look tense
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Bjorn Jonsson
post Mar 10 2006, 10:16 PM
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AOS !!!!!!!
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