Presentation	2002/2/15 Orbit of a spare satellite for 8-figure satellite system Toshihiro KUBO-OKA,
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Abstract(in English)	Optimal arrangement of a spare satellite for the 8-figure satellite system was investigated. We compared three places where the spare satellite stands by : (a)stay on the ground and launch on demand, (b)park at low Earth orbit, and(c)park at geostationary orbit. For each case, we estimated fuel mass and time required for orbit transfer and orbit plane change, and number of rockets to launch four(three active and one spare)satellites. We found that the spare satellite should be park at geostationary orbit to restart 24-hour service as soon as possible, although it requires more fuel compared to the other two methods.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	8-figure Satellite / Geostationary Satellite / Orbit Transfer
Paper #	SANE2001-122,SAT2001-144
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Conference Information
Committee	SAT
Conference Date	2002/2/15(1days)
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Paper Information
Registration To	Satellite Telecommunications (SAT)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Orbit of a spare satellite for 8-figure satellite system
Sub Title (in English)
Keyword(1)	8-figure Satellite
Keyword(2)	Geostationary Satellite
Keyword(3)	Orbit Transfer
1st Author's Name	Toshihiro KUBO-OKA
1st Author's Affiliation	Kashima Space Research Center, Communications Research Laboratory()
Date	2002/2/15
Paper #	SANE2001-122,SAT2001-144
Volume (vol)	vol.101
Number (no)	655
Page	pp.pp.-
#Pages	5
Date of Issue