Spacecraft information: ORBCOMM FM31
| Launched | 3 December 1999 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Eastern Range Airspace |
| Owner | ORBCOMM |
| NORAD ID | 25981 |
| COSPAR ID | 1999-065B |
| Alternative names |
SLOT D3 |
| Observing |
Current orbital elements
| Inclination | 45.023° |
| Eccentricity | 0.00039 |
| RA ascending node | 18.748 hr |
| Argument perigee | 270.443° |
| Mean anomaly | 89.597° |
| Orbital period | 100.137 min |
| Epoch of osculation | 21 May 2026, 09:31 |
Derived Quantities
| Min Altitude | 769.4 km |
| Mean Altitude | 772.2 km |
| Peak Altitude | 775.0 km |
Orbital History
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