| Primary satellite | Secondary satellite |
| Name | Cosmos 1975 Rocket | deb PDD |
| Spacetrack catalog number | 19574 | 20575 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 16:33 | 2021 Jan 17 19:27 |
| Time of closest approach (UTC) | 2020 Dec 02 09:44:30.518 |
| Minimum distance | 1.795 km |
| Height difference | 0.906 km |
| Relative speed | 14.976 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 55.3°N, 5.7°W |
| Height | 641 km |
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