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CloudSat & CALIPSO |
| Guest_Sedna_* |
 Apr 28 2006, 01:21 PM
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#1
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Hi everybody,
finally this couple of satellites were launched today... Do you know how long will it take for them to "catch" the A-train of satellites? Regards |
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Apr 28 2006, 01:35 PM
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#2
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Founder  Group: Chairman Posts: 14445 Joined: 8-February 04 Member No.: 1 |
I read it's about 30 - 32 days of on orbit checkout and orbital manouvers to move into the A-Train.
Doug |
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Apr 28 2006, 02:55 PM
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#3
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 Member Group: Members Posts: 563 Joined: 29-March 05 Member No.: 221 |
Info about the A-Train.
from TFA: For much of its life, the A-Train will be maintained in orbit within 15 minutes of the leading and trailing spacecraft while traveling at over 15,000 miles per hour. CloudSat and CALIPSO will be controlled to an even finer requirement, within 15 seconds of each other, so that both instrument suites will view the same cloud area at nearly the same moment. This capability is crucial for studying clouds, which have lifetimes often less than 15 minutes.
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| Guest_Sedna_* |
May 2 2006, 09:31 PM
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#4
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Thanks a lot Doug and paxdan
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May 3 2006, 01:34 PM
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#5
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 Senior Member Group: Members Posts: 2454 Joined: 8-July 05 From: NGC 5907 Member No.: 430 |
Nice photo of the CloudSat/Calipso launch:
http://earthobservatory.nasa.gov/Newsroom/...p3?img_id=17260 Two computer renderings of what the satellites look like in Earth orbit: http://earthobservatory.nasa.gov/Newsroom/...p3?img_id=17258 -------------------- "After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance. I see that such intercourse long continued would make one thoroughly prosaic, hard, and coarse. But the longest intercourse with Nature, though in her rudest moods, does not thus harden and make coarse. A hard, sensible man whom we liken to a rock is indeed much harder than a rock. From hard, coarse, insensible men with whom I have no sympathy, I go to commune with the rocks, whose hearts are comparatively soft." - Henry David Thoreau, November 15, 1853 |
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May 5 2006, 05:14 PM
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#6
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 Senior Member Group: Members Posts: 3652 Joined: 1-October 05 From: Croatia Member No.: 523 |
Did anyone watch the launch replay from The Spacearium?
I thought it was pretty cool the way the tracking camera obviously had a great deal of thermal IR sensitivity - at 06:30 into the clip you can see the swirls of hot exhaust mixing with the atmosphere when MECO occurs - normally this is much less spectacular in visible light. Also, I'm wondering if the vehicle fairing becoming progressively brighter at earlier stages of flight has anything to do with friction heating as it goes through max-Q? -------------------- |
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Jun 7 2006, 08:25 PM
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#7
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Senior Member Group: Members Posts: 2454 Joined: 8-July 05 From: NGC 5907 Member No.: 430 |
First CloudSat Images Wowing Scientists
Washington, D.C. (SPX) Jun 07, 2006 The first images from NASA's new CloudSat satellite already are revealing never-before-seen 3-D details about clouds. Mission managers tested the flight and ground system performance of the satellite's Cloud-Profiling Radar in late May, and they found it to be working perfectly. http://www.spacemart.com/reports/First_Clo...Scientists.html -------------------- "After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance. I see that such intercourse long continued would make one thoroughly prosaic, hard, and coarse. But the longest intercourse with Nature, though in her rudest moods, does not thus harden and make coarse. A hard, sensible man whom we liken to a rock is indeed much harder than a rock. From hard, coarse, insensible men with whom I have no sympathy, I go to commune with the rocks, whose hearts are comparatively soft." - Henry David Thoreau, November 15, 1853 |
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