| Primary satellite | Secondary satellite |
| Name | FENGYUN 3A | FENGYUN 1C DEB |
| Spacetrack catalog number | 32958 | 36678 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 12 12:59 | 2021 Apr 12 07:32 |
| Time of closest approach (UTC) | 2021 Mar 08 06:11:28.763 |
| Minimum distance | 3.235 km |
| Height difference | 1.608 km |
| Relative speed | 6.928 km/s |
| Angle between velocity vectors | 56° |
| Geographic position | 80.6°S, 96.2°W |
| Height | 852 km |
|