VEX Science Planning |
VEX Science Planning |
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![]() Member ![]() ![]() ![]() Group: Members Posts: 247 Joined: 17-February 07 From: ESAC, cerca Madrid, Spain. Member No.: 1743 ![]() |
Hello-
I wasn't sure how most people would like to see stuff posted. Or if this would interest many people. But in the interests of putting out more information, I created this topic as a place to put information on Venus Express science planning. If you have any ideas about this, let me know. Cheers- Don Merritt -------------------- --
cndwrld@yahoo.com |
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![]() Dublin Correspondent ![]() ![]() ![]() ![]() Group: Admin Posts: 1799 Joined: 28-March 05 From: Celbridge, Ireland Member No.: 220 ![]() |
Excellent updates Don, much appreciated.
This detail caught my eye QUOTE This is actually implemented onboard by commanding fake ephemeredes (i.e. with non-real S/C and Earth positions). By proper selection of the fake ephemeredes, the distortion of the Earth pointing guidance computation on-board achieves Earth pointing with the HGA and a tilt angle around the HGA axis. Is this an unusual approach to a problem like this? |
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