| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19650 | 29912 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 14:40 | 2021 Jan 20 03:28 |
| Time of closest approach (UTC) | 2020 Dec 08 16:14:29.278 |
| Minimum distance | 14.013 km |
| Height difference | 1.891 km |
| Relative speed | 14.777 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 13.6°N, 77.3°E |
| Height | 848 km |
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