| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Orbcomm A1 (FM05) |
| Spacetrack catalog number | 35789 | 25117 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:34 | 2024 Dec 23 09:16 |
| Time of closest approach (UTC) | 2024 Dec 26 10:46:26.861 |
| Minimum distance | 4.942 km |
| Height difference | 0.035 km |
| Relative speed | 9.670 km/s |
| Angle between velocity vectors | 80° |
| Geographic position | 43.7°N, 32.3°W |
| Height | 746 km |
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