| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 31114 | 30829 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 18:57 | 2021 Jan 25 12:49 |
| Time of closest approach (UTC) | 2020 Nov 28 21:54:17.168 |
| Minimum distance | 42.872 km |
| Height difference | 1.010 km |
| Relative speed | 14.658 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 1.9°S, 139.1°E |
| Height | 868 km |
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