EXPLORER 21 (IMP-2)
Satellite information EXPLORER 21 (IMP-2)
| Spacetrack Directory Name | EXPLORER 21 (IMP-2) |
| Orbit launches |
1964-10-04 |
| Deorbitation date |
1966-01-30 |
| Days in orbit | 483 |
| Country/organisation of origin | USA (US) |
| Starting point | AFETR (Kennedy Space Center/Cape Canaveral, USA) |
