Launch data:
| Designation | 00987 / 65007A |
| Launch date | 03 Feb 1965 - 16:36 UT |
| Launch site | CC, LC-17B |
| Launch vehicle: | Delta-C (#411/D29) |
| Mission: | Scientific: Sun observation |
| Earth orbit: | |
| Perigee/Apogee | 294/306 km |
| Inclination | 32.8° |
| Period | 90.5 min |
OSO 2 |
USA |
Launch data:
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| Decay date | 09 Aug 1989 |