| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 Rocket | Sep Motor Cover |
| Spacetrack catalog number | 19650 | 22223 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 14:40 | 2021 Jan 19 22:38 |
| Time of closest approach (UTC) | 2020 Dec 07 23:49:52.106 |
| Minimum distance | 163.893 km |
| Height difference | 2.067 km |
| Relative speed | 7.725 km/s |
| Angle between velocity vectors | 62° |
| Geographic position | 68.1°S, 91.7°E |
| Height | 870 km |
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