| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 35895 | 30385 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 May 18 11:58 | 2022 May 18 15:44 |
| Time of closest approach (UTC) | 2022 Jan 30 04:50:13.110 |
| Minimum distance | 304.749 km |
| Height difference | -3.488 km |
| Relative speed | 8.696 km/s |
| Angle between velocity vectors | 72° |
| Geographic position | 67.1°S, 83.2°W |
| Height | 885 km |
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