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 | 0.00035 |
| RA ascending node | 3.074 hr |
| Argument perigee | 169.775° |
| Mean anomaly | 190.317° |
| Orbital period | 100.132 min |
| Epoch of osculation | 09 Jul 2026, 23:58 |
Derived Quantities
| Min Altitude | 769.5 km |
| Mean Altitude | 771.9 km |
| Peak Altitude | 774.4 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.