Article View: sci.space
Article #270Re: low earth orbits
From: Bruce Watson
Date: Mon, 02 Nov 1992 19:53
Date: Mon, 02 Nov 1992 19:53
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In article <u926135.720674864@tasman| u926135@tasman.cc.utas.edu.au (Adrian Hassall Lewis) writes: |I admit that this is a bit of a dumb question, but I have had absolutely |no luck trying to find an explanation in any textbook on space dynamics. | |The question: Why is 28.5 degrees such a common orbit? | |I can understand the US launching to this inclination as the KSC is at 28.5N, |but I've read that the ESA also launches to this orbital plane as well. Isn't |it most efficent for them to launch to a 1 degree orbit? Is it something to do |with GTO? and if so, what? | What payload did ESA launch into 28.5 from Kourou? That inclination is not very useful--US does it to maximize payload using the earth's rotation. ESA launches due eastward (unless there is population in that direction) for geostationary satellites and northward for sun-synchonous (98 deg) polar satellites. -- Bruce Watson (wats@scicom) Tumbra, Zorkovick; Sparkula zoom krackadomando.
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Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!uwm.edu!caen!hellgate.utah.edu!csn!scicom!wats From: wats@scicom.AlphaCDC.COM (Bruce Watson) Newsgroups: sci.space Subject: Re: low earth orbits Keywords: low earth orbits Message-ID: <30017@scicom.AlphaCDC.COM> Date: 2 Nov 92 19:53:01 GMT Article-I.D.: scicom.30017 References: <u926135.720674864@tasman| Organization: Alpha Science Computer Network, Denver, Co. Lines: 20