| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 32243 | 34964 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 02:17 | 2024 Dec 22 01:05 |
| Time of closest approach (UTC) | 2024 Dec 28 22:01:40.054 |
| Minimum distance | 1.963 km |
| Height difference | -1.946 km |
| Relative speed | 14.444 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 1.0°S, 165.0°E |
| Height | 1063 km |
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