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IRAS
Launch Details
| Launched | 25 January 1983 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 13777 |
| COSPAR ID | 1983-004A |
| Observing |
Current orbital elements
| Inclination | 99.059° |
| Eccentricity | 0.00191 |
| RA ascending node | 5.140 hr |
| Argument perigee | 9.617° |
| Mean anomaly | 350.536° |
| Orbital period | 102.789 min |
| Epoch of osculation | 14 Sep 2025, 23:13 |
Derived Quantities
| Min Altitude | 883.8 km |
| Mean Altitude | 897.7 km |
| Peak Altitude | 911.6 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.