| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 33678 | 33782 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 13:47 | 2024 Dec 22 14:37 |
| Time of closest approach (UTC) | 2024 Dec 28 01:45:36.350 |
| Minimum distance | 3.011 km |
| Height difference | 1.568 km |
| Relative speed | 14.758 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 61.7°S, 67.9°W |
| Height | 788 km |
|