| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 31420 | 35469 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 27 12:38 | 2023 Jan 26 03:46 |
| Time of closest approach (UTC) | 2022 Dec 01 13:17:14.007 |
| Minimum distance | 371.021 km |
| Height difference | -2.264 km |
| Relative speed | 7.208 km/s |
| Angle between velocity vectors | 57° |
| Geographic position | 62.9°N, 69.9°E |
| Height | 720 km |
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