| Primary satellite | Secondary satellite |
| Name | Cosmos 1656 | FENGYUN 1C DEB |
| Spacetrack catalog number | 15755 | 30035 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 16 19:49 | 2022 May 17 05:02 |
| Time of closest approach (UTC) | 2022 Jan 24 15:56:15.158 |
| Minimum distance | 473.929 km |
| Height difference | 1.835 km |
| Relative speed | 12.228 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 70.2°N, 126.4°E |
| Height | 849 km |
|