| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CBERS 1 LM4 rocket |
| Spacetrack catalog number | 34459 | 25942 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:30 | 2024 Dec 23 01:25 |
| Time of closest approach (UTC) | 2024 Dec 26 12:34:44.237 |
| Minimum distance | 1.556 km |
| Height difference | -1.524 km |
| Relative speed | 12.290 km/s |
| Angle between velocity vectors | 110° |
| Geographic position | 73.7°S, 139.8°E |
| Height | 790 km |
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