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Spacecraft information: PEGASUS R/B
Launch Details
| Launched | 5 December 1998 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Western Range Airspace |
| Owner | United States |
| NORAD ID | 25561 |
| COSPAR ID | 1998-071B |
| Observing |
Current orbital elements
| Inclination | 69.912° |
| Eccentricity | 0.00090 |
| RA ascending node | 23.182 hr |
| Argument perigee | 270.349° |
| Mean anomaly | 89.664° |
| Orbital period | 95.780 min |
| Epoch of osculation | 31 May 2026, 13:05 |
Derived Quantities
| Min Altitude | 557.2 km |
| Mean Altitude | 563.4 km |
| Peak Altitude | 569.6 km |
Orbital History
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