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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 | 69.897° |
| Eccentricity | 0.00036 |
| RA ascending node | 1.542 hr |
| Argument perigee | 45.035° |
| Mean anomaly | 315.111° |
| Orbital period | 95.600 min |
| Epoch of osculation | 11 Jul 2025, 19:20 |
Derived Quantities
| Min Altitude | 552.2 km |
| Mean Altitude | 554.7 km |
| Peak Altitude | 557.2 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.