Communications
INTELSAT 21 (IS-21)
OperationalCommunicationsGEO
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