Spacecraft information: IRAS
| 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 | 99.047° |
| Eccentricity | 0.00176 |
| RA ascending node | 14.422 hr |
| Argument perigee | 341.903° |
| Mean anomaly | 18.150° |
| Orbital period | 102.791 min |
| Epoch of osculation | 02 Feb 2026, 10:52 |
Derived Quantities
| Min Altitude | 885.1 km |
| Mean Altitude | 897.8 km |
| Peak Altitude | 910.6 km |
Orbital History
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