| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | deb Feng Yun 1B |
| Spacetrack catalog number | 34789 | 23254 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 May 24 05:42 | 2022 May 24 08:54 |
| Time of closest approach (UTC) | 2022 Feb 02 01:32:20.077 |
| Minimum distance | 159.413 km |
| Height difference | 10.709 km |
| Relative speed | 14.934 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 18.0°N, 83.8°W |
| Height | 758 km |
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