not necessary, the operation orbit of Palapa-D is geosync, and

送交者: steven 于 2009-09-01, 22:48:36:

回答: 好像可以变轨，应该可以用，但要先变到预定轨道。由 catfish 于 2009-09-01, 10:18:19:

now it is not even in the same plane as geosync orbit. It takes a lot of fuel to change plane, and it is a typical orbit maneuver to avoid. I don't know if Palapa-D will eventually get there, but even if it does, the life time of the satellite will be significantly reduced.

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