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Intelsat 21 (IS 21)

Intelsat 21 [Boeing BSS]

Intelsat Ltd. announced in July 2009 that it had ordered the Intelsat 21 (IS 21) communications satellite from Boeing Satellite Systems. It was launched in 2012, and replaced the Intelsat 9 satellite at 58 West Longitude.

The payload is powered by two solar wings, each with four panels of ultra triple-junction gallium arsenide solar cells.

Nation: USA
Type / Application: Communication
Operator: Intelsat
Contractors: Boeing Satellite Systems
Equipment: 24 C-band transponders, 36 Ku-band transponders
Configuration: BSS-702MP
Propulsion: LEROS-1c
Power: 2 deployable solar arrays, batteries
Lifetime: 15+ years
Mass: 5984 kg
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
Intelsat 21 (IS 21) 2012-045A 19.08.2012 SL Zenit-3SL (2)


Further Intelsat missions:

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