| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | OAO 1 Rocket |
| Spacetrack catalog number | 35789 | 2144 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:34 | 2024 Dec 22 15:12 |
| Time of closest approach (UTC) | 2024 Dec 28 09:30:56.197 |
| Minimum distance | 4.501 km |
| Height difference | -0.590 km |
| Relative speed | 11.217 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 25.9°N, 26.7°W |
| Height | 742 km |
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