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Spacecraft information: INTELSAT 21
Launch Details
| Launched | 18 August 2012 |
| Flight ended | – |
| Status | Operational |
| Categories |
Geostationary
Intelsat Active satellites |
| Launch site | Sea Launch Platform (mobile) |
| Owner | International Telecommunications Satellite Organization (INTELSAT) |
| NORAD ID | 38749 |
| COSPAR ID | 2012-045A |
| Alternative names |
IS-21 |
| Observing |
Current orbital elements
| Inclination | 0.033° |
| Eccentricity | 0.00017 |
| RA ascending node | 5.142 hr |
| Argument perigee | 185.532° |
| Mean anomaly | 88.713° |
| Orbital period | 1436.098 min |
| Epoch of osculation | 14 Dec 2025, 21:42 |
Derived Quantities
| Min Altitude | 35786.6 km |
| Mean Altitude | 35793.8 km |
| Peak Altitude | 35800.9 km |
Launched alongside
BLOCK DM-SL R/BOrbital History
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