| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 31114 | 30760 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 09 19:26 | 2021 Apr 09 19:27 |
| Time of closest approach (UTC) | 2021 Mar 05 06:39:10.153 |
| Minimum distance | 20.560 km |
| Height difference | -6.281 km |
| Relative speed | 14.684 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 14.5°S, 4.4°E |
| Height | 855 km |
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