| Primary satellite | Secondary satellite |
| Name | Cosmos 1302 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 12792 | 35459 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:08 | 2024 Dec 20 16:06 |
| Time of closest approach (UTC) | 2024 Dec 25 01:43:52.488 |
| Minimum distance | 3.343 km |
| Height difference | -2.321 km |
| Relative speed | 11.585 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 64.2°N, 38.7°E |
| Height | 779 km |
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