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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 | 69.896° |
| Eccentricity | 0.00084 |
| RA ascending node | 19.867 hr |
| Argument perigee | 284.887° |
| Mean anomaly | 75.136° |
| Orbital period | 95.402 min |
| Epoch of osculation | 20 May 2026, 20:19 |
Derived Quantities
| Min Altitude | 539.3 km |
| Mean Altitude | 545.2 km |
| Peak Altitude | 551.0 km |
Orbital History
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