| Primary satellite | Secondary satellite |
| Name | MetOp-A | FENGYUN 1C DEB |
| Spacetrack catalog number | 29499 | 29884 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 02:49 | 2021 Jan 22 11:55 |
| Time of closest approach (UTC) | 2020 Dec 07 02:25:22.492 |
| Minimum distance | 25.106 km |
| Height difference | -5.172 km |
| Relative speed | 13.304 km/s |
| Angle between velocity vectors | 127° |
| Geographic position | 69.7°N, 113.6°W |
| Height | 833 km |
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