| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | COSMOS 2251 DEB |
| Spacetrack catalog number | 28480 | 35836 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 17 19:42 | 2024 Sep 16 14:07 |
| Time of closest approach (UTC) | 2024 Aug 15 07:25:28.283 |
| Minimum distance | 802.559 km |
| Height difference | -7.388 km |
| Relative speed | 14.356 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 80.3°N, 36.6°E |
| Height | 739 km |
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