Communications
INTELSAT 21 (IS-21)
OperationalCommunicationsGEONORAD 38749
INTELSAT 21 (IS-21) is a Intelsat S.A. communications satellite, launched on August 19, 2012 into GEO.
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
- Orbit data fetched
- October 14, 2026 at 04:02 PM UTC
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
- Dimensions
- 6.9 × 3.2 × 3.2 m
Identity
- COSPAR (Int'l)
- 2012-045A
- NORAD catalog №
- 38749
- Object type
- Payload
- Owner / operator
Intelsat- Radar cross-section
- 52.4 m²
- Status
- Operational