| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 34953 | 36665 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 May 25 20:19 | 2022 May 21 21:18 |
| Time of closest approach (UTC) | 2022 Jan 20 14:19:08.080 |
| Minimum distance | 3964.760 km |
| Height difference | 137.330 km |
| Relative speed | 14.796 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 3.5°N, 128.5°W |
| Height | 766 km |
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