| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | deb r/b Ablestar |
| Spacetrack catalog number | 35959 | 5745 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:36 | 2024 Dec 22 17:58 |
| Time of closest approach (UTC) | 2024 Dec 29 01:06:10.551 |
| Minimum distance | 2.854 km |
| Height difference | 2.854 km |
| Relative speed | 12.199 km/s |
| Angle between velocity vectors | 110° |
| Geographic position | 54.2°S, 41.0°W |
| Height | 814 km |
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