| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 37530 | 30313 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 01:13 | 2024 Dec 22 18:35 |
| Time of closest approach (UTC) | 2024 Dec 27 17:49:24.437 |
| Minimum distance | 2.297 km |
| Height difference | 2.227 km |
| Relative speed | 14.852 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 35.3°S, 81.9°E |
| Height | 810 km |
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