| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 37766 | 30036 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 04:35 | 2021 Jan 15 08:15 |
| Time of closest approach (UTC) | 2020 Dec 05 21:35:26.449 |
| Minimum distance | 6.251 km |
| Height difference | 1.908 km |
| Relative speed | 14.976 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 10.6°N, 19.9°W |
| Height | 648 km |
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