| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19650 | 35229 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 14:40 | 2021 Jan 15 23:52 |
| Time of closest approach (UTC) | 2020 Dec 03 05:12:15.977 |
| Minimum distance | 11.196 km |
| Height difference | 6.526 km |
| Relative speed | 14.591 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 59.3°N, 119.6°E |
| Height | 839 km |
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