| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 31420 | 34330 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 27 12:38 | 2023 Jan 29 21:07 |
| Time of closest approach (UTC) | 2022 Dec 02 17:51:40.770 |
| Minimum distance | 3525.225 km |
| Height difference | 12.124 km |
| Relative speed | 8.730 km/s |
| Angle between velocity vectors | 71° |
| Geographic position | 80.8°N, 37.8°W |
| Height | 696 km |
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