| Primary satellite | Secondary satellite |
| Name | Cosmos 1302 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 12792 | 33986 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:08 | 2024 Dec 22 11:32 |
| Time of closest approach (UTC) | 2024 Dec 26 14:11:11.152 |
| Minimum distance | 4.342 km |
| Height difference | -4.130 km |
| Relative speed | 13.433 km/s |
| Angle between velocity vectors | 128° |
| Geographic position | 51.4°N, 84.5°E |
| Height | 768 km |
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