| Primary satellite | Secondary satellite |
| Name | MetOp-A | FENGYUN 1C DEB |
| Spacetrack catalog number | 29499 | 30516 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 12:29 | 2021 Jan 25 10:22 |
| Time of closest approach (UTC) | 2020 Nov 28 13:14:28.510 |
| Minimum distance | 44.913 km |
| Height difference | -3.139 km |
| Relative speed | 0.993 km/s |
| Angle between velocity vectors | 8° |
| Geographic position | 80.8°S, 138.5°W |
| Height | 848 km |
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