| Primary satellite | Secondary satellite |
| Name | CZ-2D R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 28738 | 32410 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 18:50 | 2020 Dec 25 11:40 |
| Time of closest approach (UTC) | 2020 Dec 01 03:53:32.659 |
| Minimum distance | 381.066 km |
| Height difference | -7.004 km |
| Relative speed | 14.034 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 73.7°N, 70.3°E |
| Height | 549 km |
|