| Primary satellite | Secondary satellite |
| Name | Cosmos 1934 Rocket | Sep Motor Cover |
| Spacetrack catalog number | 18986 | 19657 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 16 20:31 | 2021 Jan 17 12:45 |
| Time of closest approach (UTC) | 2020 Dec 03 08:05:50.101 |
| Minimum distance | 30.216 km |
| Height difference | 2.869 km |
| Relative speed | 1.929 km/s |
| Angle between velocity vectors | 15° |
| Geographic position | 35.7°S, 173.4°E |
| Height | 962 km |
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