Cosmos 2521
General
| Designation | 42919 / 17037D |
| Launch date | 23 Jun 2017 / 23 Aug 2017 |
| Country of origin | CIS |
| Mission | Military: inspector satellite? |
| Perigee/Apogee | 657/674 km, later 350/369 km |
| Inclination | 97.9° |
| Period | 98 min |
| Launch vehicle | Soyuz 2 #48 |
This is the inspector satellite released by Cosmos 2519 on on 23 Aug 2017. Russia reported the satellite completed proximity experiments and the returned to its original satellite. The satellite carried a number of distant flying, slow flyby and rendezvous and orbit changes.
Released Cosmos 2523 in October 2017, a target object
End of life
| Out of service | |
| Cause | |
| Decay | 12 Sep 2019 |
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V0.144 - Converted on Sun, 03 Mar 2024 18:29:57 GMT - Updated quarterly
V0.144 - Converted on Sun, 03 Mar 2024 18:29:57 GMT - Updated quarterly