Spacecraft information: OPTUS A1 R/B
| Launched | 26 August 1985 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 15996 |
| COSPAR ID | 1985-076E |
| Alternative names |
PAM-D |
| Observing |
Current orbital elements
| Inclination | 25.822° |
| Eccentricity | 0.71154 |
| RA ascending node | 12.315 hr |
| Argument perigee | 337.478° |
| Mean anomaly | 2.614° |
| Orbital period | 602.419 min |
| Epoch of osculation | 04 Jul 2026, 22:07 |
Derived Quantities
| Min Altitude | 444.7 km |
| Mean Altitude | 17256.9 km |
| Peak Altitude | 34069.2 km |
Orbital History
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