| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 31114 | 36152 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 09 19:26 | 2021 Apr 09 08:40 |
| Time of closest approach (UTC) | 2021 Mar 06 22:13:09.670 |
| Minimum distance | 14.419 km |
| Height difference | 2.896 km |
| Relative speed | 14.344 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 56.0°N, 39.0°W |
| Height | 843 km |
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