| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CBERS 1 LM4 rocket |
| Spacetrack catalog number | 35433 | 25942 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 18 02:11 | 2024 Dec 23 01:25 |
| Time of closest approach (UTC) | 2024 Dec 28 16:13:33.712 |
| Minimum distance | 2.863 km |
| Height difference | -1.139 km |
| Relative speed | 13.846 km/s |
| Angle between velocity vectors | 137° |
| Geographic position | 73.6°S, 158.0°W |
| Height | 815 km |
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