| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 30496 | 34276 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 13:27 | 2024 Dec 23 14:19 |
| Time of closest approach (UTC) | 2024 Dec 26 21:55:23.613 |
| Minimum distance | 3.823 km |
| Height difference | -2.846 km |
| Relative speed | 14.857 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 54.0°S, 169.1°E |
| Height | 720 km |
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