| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | COSMOS 2251 DEB |
| Spacetrack catalog number | 36089 | 35883 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 01 21:20 | 2024 Nov 29 16:22 |
| Time of closest approach (UTC) | 2024 Nov 12 21:18:27.129 |
| Minimum distance | 2.517 km |
| Height difference | 1.919 km |
| Relative speed | 14.864 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 53.1°N, 102.2°E |
| Height | 744 km |
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