| Primary satellite | Secondary satellite |
| Name | Cosmos 1302 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 12792 | 34913 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:08 | 2024 Dec 20 09:20 |
| Time of closest approach (UTC) | 2024 Dec 23 21:47:31.251 |
| Minimum distance | 3.349 km |
| Height difference | 0.812 km |
| Relative speed | 14.243 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 23.1°S, 144.1°E |
| Height | 780 km |
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