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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 | 69.911° |
| Eccentricity | 0.00054 |
| RA ascending node | 9.617 hr |
| Argument perigee | 182.203° |
| Mean anomaly | 177.911° |
| Orbital period | 95.760 min |
| Epoch of osculation | 19 Aug 2026, 05:49 |
Derived Quantities
| Min Altitude | 558.7 km |
| Mean Altitude | 562.5 km |
| Peak Altitude | 566.2 km |
Orbital History
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