| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 31114 | 30301 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 09 19:26 | 2021 Apr 09 17:00 |
| Time of closest approach (UTC) | 2021 Mar 05 09:42:02.707 |
| Minimum distance | 32.554 km |
| Height difference | -0.105 km |
| Relative speed | 5.427 km/s |
| Angle between velocity vectors | 43° |
| Geographic position | 80.9°S, 20.7°E |
| Height | 827 km |
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