| Primary satellite | Secondary satellite |
| Name | deb r/b Ablestar | COSMOS 2251 DEB |
| Spacetrack catalog number | 463 | 40808 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 07:53 | 2024 Dec 21 18:31 |
| Time of closest approach (UTC) | 2024 Dec 28 13:49:21.973 |
| Minimum distance | 2.969 km |
| Height difference | -2.514 km |
| Relative speed | 3.917 km/s |
| Angle between velocity vectors | 30° |
| Geographic position | 65.6°S, 9.5°E |
| Height | 714 km |
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