| Primary satellite | Secondary satellite |
| Name | Sep Motor Cover | COSMOS 2251 DEB |
| Spacetrack catalog number | 22224 | 34028 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:30 | 2024 Dec 22 22:01 |
| Time of closest approach (UTC) | 2024 Dec 25 14:23:16.200 |
| Minimum distance | 0.452 km |
| Height difference | -0.447 km |
| Relative speed | 8.841 km/s |
| Angle between velocity vectors | 74° |
| Geographic position | 67.7°S, 172.1°E |
| Height | 1100 km |
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