| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 34563 | 32173 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Jun 29 15:05 | 2022 Jun 26 04:50 |
| Time of closest approach (UTC) | 2022 May 29 11:20:41.880 |
| Minimum distance | 44.356 km |
| Height difference | 0.344 km |
| Relative speed | 14.274 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 72.7°S, 87.9°W |
| Height | 791 km |
|