| Primary satellite | Secondary satellite |
| Name | Cosmos 1975 | deb Agena D |
| Spacetrack catalog number | 19573 | 5165 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 10:26 | 2021 Jan 23 18:00 |
| Time of closest approach (UTC) | 2020 Dec 06 10:58:20.075 |
| Minimum distance | 28.973 km |
| Height difference | -5.005 km |
| Relative speed | 15.157 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 42.1°N, 130.5°E |
| Height | 568 km |
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