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Article #6332Re: Relay to follow Galileo?
From: fisher
Date: Fri, 18 Dec 1992 14:32
Date: Fri, 18 Dec 1992 14:32
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1430 bytes
It seems to me that there is a lot of stuff that people have not thought of regarding sending a TDRSS after Galileo. For example, I'm not sure you can just splice in an RTG in place of solar panels. Are they the right voltage? Power? How about mass distribution and other dynamic considerations? Are the thrusters placed correctly now? How about the thermal environment during the cruise and Jovian orbit? TDRSS was designed for the environment of Earth orbit (in particular, Clarke (geo- synchronous) Earth orbit. Someone already pointed out the Jupiter insertion burn may need to be higher thrust/shorter duration than the station keeping engines can provide. I suppose it is conceivable that the Apogee kick motor might be better suited, but I doubt it given the relative gravity (and thus the incoming probe velocity) at Jupiter. Burns
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arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!malgudi.oar.net!caen!deccrl!news.crl.dec.com!dbased.nuo.dec.com!nntpd.lkg.dec.com!decwin.enet.dec.com!fisherReferences:
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Newsgroups: sci.space Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!malgudi.oar.net!caen!deccrl!news.crl.dec.com!dbased.nuo.dec.com!nntpd.lkg.dec.com!decwin.enet.dec.com!fisher From: fisher@decwin.enet.dec.com () Subject: Re: Relay to follow Galileo? Message-ID: <1992Dec18.143201.10326@nntpd.lkg.dec.com> Lines: 19 Sender: usenet@nntpd.lkg.dec.com (USENET News System) Reply-To: fisher@decwin.enet.dec.com () Organization: Digital Equipment Corporation References: <BzGJ1B.Coq.1@cs.cmu.edu> Distribution: sci Date: Fri, 18 Dec 1992 14:32:01 GMT