| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 31114 | 35201 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 18:57 | 2021 Jan 25 20:24 |
| Time of closest approach (UTC) | 2020 Dec 02 01:57:27.254 |
| Minimum distance | 6.255 km |
| Height difference | -5.094 km |
| Relative speed | 14.624 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 19.3°S, 80.7°E |
| Height | 875 km |
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