| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | deb r/b Ablestar |
| Spacetrack catalog number | 38212 | 538 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 14:24 | 2024 Dec 22 07:14 |
| Time of closest approach (UTC) | 2024 Dec 27 03:00:58.306 |
| Minimum distance | 1.223 km |
| Height difference | 0.242 km |
| Relative speed | 11.458 km/s |
| Angle between velocity vectors | 100° |
| Geographic position | 59.4°N, 70.0°W |
| Height | 709 km |
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