| Name of Satellite, Alternate Names | ORBCOMM FM-20 (ORBCOMM B8) |
| Country of Operator/Owner | USA |
| Operator/Owner | ORBCOMM Inc. |
| Users | Commercial |
| Purpose | Communications |
| Class of Orbit | LEO |
| Type of Orbit | Intermediate |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 791 |
| Apogee (km) | 792 |
| Eccentricity | 6.98177756056692E-05 |
| Inclination (degrees) | 45 |
| Period (minutes) | 100.7 |
| Launch Mass (kg.) | 45 |
| Dry Mass (kg.) | 22 |
| Power (watts) | 160 |
| Date of Launch | 02-08-1998 |
| Expected Lifetime | 5 yrs. |
| Contractor | Orbital Sciences Corp. |
| Country of Contractor | USA |
| Launch Site | Wallops Island Flight Facility |
| Launch Vehicle | Pegasus XL |
| COSPAR Number | 1998-046D |
| NORAD Number | 25416 |
| Comments |