| Primary satellite | Secondary satellite |
| Name | Cosmos 1975 | deb Kosmos-249 |
| Spacetrack catalog number | 19573 | 14417 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 15:44 | 2021 Jan 15 19:03 |
| Time of closest approach (UTC) | 2020 Dec 04 20:59:54.709 |
| Minimum distance | 983.782 km |
| Height difference | 11.864 km |
| Relative speed | 3.142 km/s |
| Angle between velocity vectors | 24° |
| Geographic position | 29.8°S, 5.7°W |
| Height | 562 km |
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