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Spacecraft information: HEAO 2
Launch Details
| Launched | 12 November 1978 |
| Flight ended | 24 March 1982 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 11101 |
| COSPAR ID | 1978-103A |
| Observing |
Launched alongside
ATLAS CENTAUR R/B