And it seems the "problem" is that the satellite is deliberately launched to the standard GTO trajectory, then apparently expected to make the 30+ degree inclination plane change to then target IGSO! I've never heard of something like that for a GSO sat!
https://twitter.com/Cosmic_Penguin/status/1119631197162708992 …
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I realized that while not quite the same, this seems similar to the plan of launching GPS sats from the Space Shuttle in the 1980s, where the GPS sat & upper stage are released from a 28-ish deg. LEO (as they are almost always planned to be flown with run-of-the-mill comsats)?
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How much delta-V is need for a satellite to move from 28.5 to 55 degrees inclination assuming its orbit is 36500 km circular?
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I don't understand this (and admit to lacking expertise) - could it be that launching straight into a correctly inclined orbit has problems with the ground track (e.g. worries about where debris could fall)?
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No, as 55 degrees inclination orbits are also the norm for the BDS Medium Earth Orbit satellites 10000 km below, of which 16 were launched last year alone.
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