| Primary satellite | Secondary satellite |
| Name | OBJECT B | COSMOS 2251 DEB |
| Spacetrack catalog number | 59281 | 37530 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:17 | 2024 Dec 19 01:13 |
| Time of closest approach (UTC) | 2024 Dec 27 21:12:01.607 |
| Minimum distance | 3.669 km |
| Height difference | -3.091 km |
| Relative speed | 11.459 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 40.9°S, 33.5°E |
| Height | 816 km |
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