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Spacecraft information: IRIDIUM 51
Launch Details
| Launched | 24 March 1998 |
| Flight ended | 13 March 2026 |
| Status | Decayed |
| Launch site | Taiyuan Space Center, PRC |
| Owner | United States |
| NORAD ID | 25262 |
| COSPAR ID | 1998-018A |
| Observing |
Current orbital elements
| Inclination | 86.332° |
| Eccentricity | 0.00127 |
| RA ascending node | 18.525 hr |
| Argument perigee | 253.595° |
| Mean anomaly | 106.396° |
| Orbital period | 87.626 min |
| Epoch of osculation | 14 Mar 2026, 07:27 |
Derived Quantities
| Min Altitude | 155.7 km |
| Mean Altitude | 164.0 km |
| Peak Altitude | 172.4 km |
Orbital History
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