| Primary satellite | Secondary satellite |
| Name | Cosmos 1934 Rocket | Cosmos 1447 Rocket |
| Spacetrack catalog number | 18986 | 13917 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 22 19:21 | 2021 Jan 22 20:47 |
| Time of closest approach (UTC) | 2020 Dec 07 19:20:08.379 |
| Minimum distance | 12.324 km |
| Height difference | -3.338 km |
| Relative speed | 14.241 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 59.6°N, 175.9°W |
| Height | 1010 km |
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