| Primary satellite | Secondary satellite |
| Name | OBJECT C | COSMOS 2251 DEB |
| Spacetrack catalog number | 59282 | 35015 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 07:44 | 2024 Dec 19 06:38 |
| Time of closest approach (UTC) | 2024 Dec 25 09:39:06.477 |
| Minimum distance | 2.531 km |
| Height difference | 1.080 km |
| Relative speed | 9.527 km/s |
| Angle between velocity vectors | 80° |
| Geographic position | 48.6°S, 83.0°W |
| Height | 821 km |
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