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Spacecraft information: SWAS
Launch Details
| Launched | 5 December 1998 |
| Flight ended | – |
| Status | Backup/Standby |
| Categories |
Space & Earth Science
Active satellites |
| Launch site | Western Range Airspace |
| Owner | United States |
| NORAD ID | 25560 |
| COSPAR ID | 1998-071A |
| Alternative names |
SUBMILLIMETER WAVE ASTRONOMY SATELLITE |
| Observing |
Current orbital elements
| Inclination | 69.894° |
| Eccentricity | 0.00056 |
| RA ascending node | 5.057 hr |
| Argument perigee | 344.612° |
| Mean anomaly | 15.488° |
| Orbital period | 95.426 min |
| Epoch of osculation | 28 Mar 2026, 08:40 |
Derived Quantities
| Min Altitude | 542.5 km |
| Mean Altitude | 546.3 km |
| Peak Altitude | 550.2 km |
Orbital History
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