Jcsat 6

Also called Jcsat 4A

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General

Designation	25630 / 99006A
Launch date	16 Feb 1999
Country of origin	Japan
Mission	Telecommunications
Geostationary orbit	see below
Launch vehicle	Atlas 2AS #119

Had to be removed from atop the rocket in Jan 1999 and shipped back to the manufacturer justs days before planned launch. The satellite had already experienced bad luck when it was damaged by a power surge when lightning stroke its processing facility.

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Location

Begin	End	Position
L: 16 Feb 1999	Apr 1999	120°E
Jun 1999	Feb 2013	124°E (became Jcsat 4A)
May 2013	Sep 2014	82°E
Sep 2014	Apr 2017	82°E, inclined
Jul 2017	Jan 2020	150°E, inclined
Feb 2020	Nov 2021	136°E, inclined

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End of life

Out of service	Dec 2021
Cause	Sent to junk orbit

sat-index articles

Technical data

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Lyngsat transponder loading

EIRP coverage (dBW)

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Specifications

Prime contractor	Hughes
Platform	HS-601
Mass at launch	2900 kg
Mass in orbit	1841 kg
Dry mass	1230 kg
Dimension	stowed: 2.8 x 3.8 x 4.3 m
Solar array	26.2 m span
Stabilization	3-axis
DC power	5000 W
Design lifetime	12 years

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Ku-band

Main transponders	32
Backup transponders
Power	75 W (TWTA)
Bandwidth	27 MHz
Coverage & EIRP max	Japan mainland and Japanese islands
Polarization	linear H/V

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