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Communications
INTELSAT 21 (IS-21)
Operational
Communications
GEO
Relays voice, data, internet or broadcast signals between points on Earth.
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Launch
Launch date
August 19, 2012 at 06:54 AM UTC
Launch site
Sea Launch (Odyssey, Pacific)
Launched by
Zenit 3SL →
Operator
Sea Launch
Launch record
View full launch →
Orbit
Orbit regime
GEO
Apoapsis
35,792 km
Periapsis
35,781 km
Inclination
0.02°
Orbital period
1436.1 min
Spacecraft
Operator
Intelsat S.A.
Manufacturer
Boeing Satellite Systems
Users
Commercial
Launch mass
5,984 kg
Dry mass
3,600 kg
Design lifetime
15 years
Identity
COSPAR (Int'l)
2012-045A
NORAD catalog №
38749
Object type
Payload
Owner / operator
Intelsat
Radar cross-section
52.4 m²
Status
Operational