| Primary satellite | Secondary satellite |
| Name | FENGYUN 3A | FENGYUN 1C DEB |
| Spacetrack catalog number | 32958 | 30570 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 12 12:59 | 2021 Apr 12 02:45 |
| Time of closest approach (UTC) | 2021 Mar 07 07:19:58.718 |
| Minimum distance | 13.145 km |
| Height difference | -4.234 km |
| Relative speed | 7.653 km/s |
| Angle between velocity vectors | 62° |
| Geographic position | 79.9°N, 73.7°E |
| Height | 849 km |
|