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#100
by
shaula1247
on 23 May, 2009 13:27
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I don't know about Chris, it's only early afternoon for him, but I'm definitely for beddy byes. cya.
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#101
by
shuttlefanatic
on 23 May, 2009 13:38
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My turn to thank all involved in this site and especially the live forum contributors. The forums come through nicely on my weak cell phone web browser, and were very helpful when I was in FL for the STS-119 launch and again this morning.
This morning I was 1 hour into a 3 hour roadtrip to EDW when I got the word on the waveoff from this forum. Saved me a bunch of useless driving!
To echo Chris's earlier comment... I really didn't expect the waveoff today when the SMG forecast came out with landing rule violations for tomorrow at KSC.
Guess we'll do this all over again tomorrow :\
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#102
by
chksix
on 23 May, 2009 14:02
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I hope they get some extra IMAX footage during the extra days
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#103
by
stockman
on 23 May, 2009 14:03
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I posted this on the WEATHER thread but it may be more applicable here - re all the negative talk about staying up an extra day???
.....
I am shaking my head at this too today. Way too much worry about an extra day especially around the mmod risks... This has been way overblown... I would expect it from main stream media to overblow this but quite frankly it is almost a non issue... I was very surpised to read the comments by people on this forum being so concerned.. (note I am not saying it is NOT an issue... its just one that has been there forever anyway but only recently has been grabbed in the main stream as something that is supposed to be an extreme risk.... its the same risk it has always been)... I say enjoy the extra day in orbit... Wish I was so "inconvenienced" as the astronauts are.... lol..
......
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#104
by
Chandonn
on 23 May, 2009 14:03
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I hope they get some extra IMAX footage during the extra days
I believe they've already used up all the IMAX film earlier in the mission.
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#105
by
Chris Bergin
on 23 May, 2009 14:08
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Some internal joke going on, the laughter even made the loop and poor Scooter didn't seem to be in on it!
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#106
by
stockman
on 23 May, 2009 14:47
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I don't think I have ever noticed this before. This display for orientation always had just water and land as part of the basic map... This one seems to display some of the Weather around florida in the upper left display.. First time I recall seeing that..
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#107
by
Jason
on 23 May, 2009 14:51
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I don't think I have ever noticed this before. This display for orientation always had just water and land as part of the basic map... This one seems to display some of the Weather around florida in the upper left display.. First time I recall seeing that..
Thats the water color around the Bahamas
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#108
by
psloss
on 23 May, 2009 15:23
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The ground is passing on the news of the President's nominations to the crew. Scott Altman says "I guess it wasn't any of us on the crew after all."
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#109
by
C5C6
on 23 May, 2009 15:40
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I posted this on the WEATHER thread but it may be more applicable here - re all the negative talk about staying up an extra day???
.....
I am shaking my head at this too today. Way too much worry about an extra day especially around the mmod risks... This has been way overblown... I would expect it from main stream media to overblow this but quite frankly it is almost a non issue... I was very surpised to read the comments by people on this forum being so concerned.. (note I am not saying it is NOT an issue... its just one that has been there forever anyway but only recently has been grabbed in the main stream as something that is supposed to be an extreme risk.... its the same risk it has always been)... I say enjoy the extra day in orbit... Wish I was so "inconvenienced" as the astronauts are.... lol..
......
I wonder the same... I read so much talking about the LOC posibilities going up after the sattelite collision months ago and the possibilities of cancelling STS-125 because of MMOD risks...and now they extend mission duration 2 days out of 12, 15%....hope some of the experts can clarify this it will be much thanked.....
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#110
by
psloss
on 23 May, 2009 15:46
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I wonder the same... I read so much talking about the LOC posibilities going up after the sattelite collision months ago and the possibilities of cancelling STS-125 because of MMOD risks...and now they extend mission duration 2 days out of 12, 15%....
The mission has been baselined as 11+0+2 for a while now -- in other words, the weather extension days are part of the plan. The risk assessments were very likely based on that.
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#111
by
rdale
on 23 May, 2009 15:50
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and the possibilities of cancelling STS-125 because of MMOD risks...and now they extend mission duration 2 days out of 12, 15%....hope some of the experts can clarify this it will be much thanked.....
You misinterpreted what you read. Just because the experts said "MMOD risk is up" is not the same as "We're going to cancel the mission." Again - if you are scared of ever losing a shuttle from MMOD (which if I recall has NEVER happened in nearly 30 years) then you shouldn't be launching in the first place.
This delay does not dramatically increase the risk to the crew. It potentially DRAMATICALLY decreases the cost and complexity of bring the shuttle back to KSC.
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#112
by
Gary
on 23 May, 2009 16:49
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I think many people have also missed the orbit adjust manoeuvre that was done after they undocked from hubble which reduces the MMOD risk and they are flying in a MMOD safe orientation.
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#113
by
the_other_Doug
on 23 May, 2009 16:50
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No go for today. I still think they should have landed at Edwards on Friday.
Problem is, it costs many millions of dollars extra to ferry a shuttle back to KSC from Edwards. (Back in the early '80s, when I last heard the price tag for this, it was something like $2 million per ferry assignment; I'd have to think that, with inflation, that would be up to $10 million or more today.)
With funding tight for *everything* at NASA these days, you really can't blame them for going the extra mile (so to speak) to try and get a KSC landing...
-the other Doug
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#114
by
Jorge
on 23 May, 2009 16:51
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I think many people have also missed the orbit adjust manoeuvre that was done after they undocked from hubble which reduces the MMOD risk and they are flying in a MMOD safe orientation.
That is correct. The main MMOD risks on this mission were while HST was in the payload bay, both because the orbiter was at a higher altitude and because HST constrained the orbiter from flying the lowest-risk attitudes for MMOD.
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#115
by
Jorge
on 23 May, 2009 16:52
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I posted this on the WEATHER thread but it may be more applicable here - re all the negative talk about staying up an extra day???
.....
I am shaking my head at this too today. Way too much worry about an extra day especially around the mmod risks... This has been way overblown... I would expect it from main stream media to overblow this but quite frankly it is almost a non issue... I was very surpised to read the comments by people on this forum being so concerned.. (note I am not saying it is NOT an issue... its just one that has been there forever anyway but only recently has been grabbed in the main stream as something that is supposed to be an extreme risk.... its the same risk it has always been)... I say enjoy the extra day in orbit... Wish I was so "inconvenienced" as the astronauts are.... lol..
......
I wonder the same... I read so much talking about the LOC posibilities going up after the sattelite collision months ago and the possibilities of cancelling STS-125 because of MMOD risks...
There was never any possibility of cancelling STS-125 because of this. Rumors to the contrary were just that.
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#116
by
lcs
on 23 May, 2009 17:13
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That is correct. The main MMOD risks on this mission were while HST was in the payload bay, both because the orbiter was at a higher altitude and because HST constrained the orbiter from flying the lowest-risk attitudes for MMOD.
The current orbital elements show 300 x 560 km. So they are still traversing the hazardous debris regions at higher altitude. I would guess collision avoidance calculations are more involved for elliptical orbits and your overall probability for a hit is increased, since you are trading off time spent at a fixed higher altitude, with traversing a larger number of potential debris orbits between 300 and 560 km.
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#117
by
Paul Adams
on 23 May, 2009 18:49
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Are Sunday's ground tracks up anywhere yet?
Thanks,
Paul
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#118
by
psloss
on 23 May, 2009 18:53
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#119
by
shuttlefanatic
on 23 May, 2009 19:07
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No go for today. I still think they should have landed at Edwards on Friday.
Problem is, it costs many millions of dollars extra to ferry a shuttle back to KSC from Edwards. (Back in the early '80s, when I last heard the price tag for this, it was something like $2 million per ferry assignment; I'd have to think that, with inflation, that would be up to $10 million or more today.)
I've been wondering how much each extra day of flight ops costs (with respect to MCC controller and facility, ground crew callups, etc.).
I didn't realize the $2M price tag on a ferry assignment was 20 years old, but using that number, and a WAG of $1M/day flight cost, it quickly becomes a wash between waiting for KSC and landing at EDW.
