| Primary satellite | Secondary satellite |
| Name | deb r/b Ablestar | COSMOS 2251 DEB |
| Spacetrack catalog number | 470 | 37533 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:32 | 2024 Dec 19 00:58 |
| Time of closest approach (UTC) | 2024 Dec 27 02:54:27.698 |
| Minimum distance | 2.982 km |
| Height difference | -1.674 km |
| Relative speed | 12.552 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 50.8°S, 71.3°W |
| Height | 850 km |
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