| Primary satellite | Secondary satellite |
| Name | Sich 1 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23659 | 36194 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 20 11:19 | 2020 Dec 10 09:53 |
| Time of closest approach (UTC) | 2020 Dec 04 00:47:21.891 |
| Minimum distance | 3.788 km |
| Height difference | 1.412 km |
| Relative speed | 15.032 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 78.2°N, 92.8°W |
| Height | 636 km |
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