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Jcsat 5

Also called Jcsat 1B


Designation 25067 / 97075A
Launch date 2 Dec 1997
Country of origin Japan
Mission Telecommunications
Geostationary orbit 150°E
Launch vehicle Ariane V103

A thruster problem occured on 17 Jan 2005. Service was partially disrupted.
On 22 Jul 2005, an attitude problem interrupted transmissions.
In March 2006, the attitude had been re-established and the satellite placed back in GEO.


Begin End Position
L: 2 Dec 1997 Dec 1997 139°E
Mar 1998 Jan 2006 150°E
Jun 2006 Aug 2009 128°E (probably incorrect)
Sep 2009 May 2010 150°E
May 2010 Jun 2017 150°E inclined

End of life

Out of service Jul 2017
Cause Sent to junk orbit

sat-index articles

Technical data

Lyngsat transponder loading

EIRP coverage (dBW)


Prime contractor Hughes
Platform HS-601
Mass at launch 2982 kg
Mass in orbit 1819 kg
Dry mass 1308 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


Main transponders 32
Backup transponders  
Power 20 transponders of 60 W (TWTA)
12 transponders of 90 W (TWTA) for 36 MHz transponders
Bandwidth 16 transponders of 27 MHz
12+4 transponders of 36 MHz
(4 36 MHz transponders can be switched to two 72 MHz transp. with 90 watts)
Coverage & EIRP max Japan
Asia-Pacific region (Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia)
Polarization linear H/V

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