| Primary satellite | Secondary satellite |
| Name | MetOp-A | FENGYUN 1C DEB |
| Spacetrack catalog number | 29499 | 30746 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 02:49 | 2021 Jan 22 06:01 |
| Time of closest approach (UTC) | 2020 Dec 07 09:14:15.966 |
| Minimum distance | 65.448 km |
| Height difference | -1.449 km |
| Relative speed | 8.756 km/s |
| Angle between velocity vectors | 72° |
| Geographic position | 79.5°N, 114.8°E |
| Height | 834 km |
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