| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 28480 | 31337 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 20:06 | 2021 Jan 17 22:25 |
| Time of closest approach (UTC) | 2020 Dec 07 18:15:54.755 |
| Minimum distance | 41.787 km |
| Height difference | -4.903 km |
| Relative speed | 14.290 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 62.1°N, 2.3°W |
| Height | 717 km |
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