| Primary satellite | Secondary satellite |
| Name | CZ-2D R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 28738 | 30032 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 18:50 | 2021 Jan 17 17:29 |
| Time of closest approach (UTC) | 2020 Dec 01 14:49:51.599 |
| Minimum distance | 13.902 km |
| Height difference | -4.811 km |
| Relative speed | 14.621 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 63.5°N, 45.2°E |
| Height | 543 km |
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