ESRO-4
Satellite information ESRO-4
| Spacetrack Directory Name | ESRO-4 |
| Orbit launches |
1972-11-22 |
| Deorbitation date |
1974-04-15 |
| Days in orbit | 509 |
| Country/organisation of origin | European Space Research Organization (ESRO) |
| Starting point | AFWTR (Vandenberg Air Force Base, USA) |
