Satellite Table
JSAT owns nine communications satellites, including a backup stellite.
Horizons-1 JCSAT-2A JCSAT-1B JCSAT-R JCSAT-5A JCSAT-3 JCSAT-4A JCSAT-110 Horizons-2
Satellite
Item
JCSAT-1B JCSAT-2A JCSAT-3A JCSAT-R JCSAT-4A JCSAT-110
(N-SAT-110)
JCSAT-5A Horizons-1 Horizons-2
Orbital Position 150º E 154º E 128º E (in-orbit back up) 124º E 110º E
132º E 127º W 74º W
Launch Date
(Japan Time)
December
3,1997
March
29, 2002
August
12,2006
February
17,1997
February
16,1999
October
7,2000
April
13,2006
October
1,2003
December
22,2007
Launch Vehicle Ariane 4 Ariane 4 Ariane 5 Atlas 2AS Atlas 2AS Ariane 4 Sea Launch /
Zenit-3SL
Sea Launch/
Zenit-3SL
Ariane 5
Satellite Bus Boeing 601 Boeing 601 A2100AX Boeing 601 Boeing 601 A2100AX A2100AX Boeing 601HP STAR-2
Design Life 12 years 11 years 15 years 12 years 14.5 years 15 years 12 years 15 years 15 years
Frequency Band Ku-band Ku-band
C-band
Ku-band
C-band
Ku-band
C-band
Ku-band Ku-band Ku-band /
C-band /
S-band
Ku-band Ku-band
Transponders
(Bandwidth x
Number of
Transponders)
27MHzx16
36MHzx16
Ku: 57MHz x 16
C: 36MHz x 11
54MHz x 5
Ku: 27MHz x 18
  36MHz x 12
C: 36MHz x 12
Ku: 27MHz x 16
36MHz x 12
C: 36MHz x 12
27MHzx32 36MHzx12
Ku: 54MHz x 8
  36MHz x 12
C: 36MHz x 20
S: 1
36MHzx24 36MHzx16
72MHzx4
HPA Output 60W
95W
Ku: 120W
C: 34W
Ku: 127W
C: 48W
Ku: 60W
90W
C: 34W
75W 120W
Ku: 110W
C: 45W
S: 130W
108W 85W/150W
Satellite Type /
and Size
Body Stabilized
South-North: 26.1m
East-West: 7.6m
Body Stabilized
South-North: 21m
East-West: 7.6m
Body Stabilized
South-North: 26.9m
East-West: 8.6m
Body Stabilized
South-North: 26.1m
East-West: 7.6m
Body Stabilized
South-North: 26.1m
East-West: 7.6m
Body Stabilized
South-North: 26.4m
East-West: 8.3m
Body Stabilized
South-North: 26.9m
East-West: 14.3m
Body Stabilized
South-North: 26.2m
East-West: 7m
Body Stabilized
South-North:18.1m
East-West:7.5m
* JCSAT is the name of the JSAT communications satellites.
* The Horizons-1 satellite and The Horizons-2 satellite are jointly owned by JSAT and Intelsat, Ltd.
*JCSAT-R may not be able to replace all of a failed satellite's capacity and cannot replace transponder capacity on certain satellites in the JSAT fleet.
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