| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 34563 | 31964 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Jun 29 15:05 | 2022 Jun 28 12:05 |
| Time of closest approach (UTC) | 2022 May 31 11:48:43.989 |
| Minimum distance | 20.210 km |
| Height difference | -6.457 km |
| Relative speed | 14.655 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 66.8°S, 27.9°W |
| Height | 793 km |
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