| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 34789 | 31737 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 May 24 05:42 | 2022 May 24 02:51 |
| Time of closest approach (UTC) | 2022 Jan 31 06:08:05.119 |
| Minimum distance | 1524.035 km |
| Height difference | 12.262 km |
| Relative speed | 14.761 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 16.7°S, 137.7°W |
| Height | 806 km |
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