| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 37994 | 32218 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 May 18 10:24 | 2022 May 18 03:55 |
| Time of closest approach (UTC) | 2022 Jan 31 20:41:59.599 |
| Minimum distance | 22.638 km |
| Height difference | 3.041 km |
| Relative speed | 14.820 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 47.2°S, 109.0°W |
| Height | 798 km |
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