| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CBERS 1 LM4 rocket |
| Spacetrack catalog number | 35462 | 25942 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 21:54 | 2024 Dec 23 01:25 |
| Time of closest approach (UTC) | 2024 Dec 26 15:56:13.320 |
| Minimum distance | 4.592 km |
| Height difference | -4.259 km |
| Relative speed | 14.511 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 70.5°S, 83.3°E |
| Height | 787 km |
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