| Primary satellite | Secondary satellite |
| Name | Sich 1 Rocket | BREEZE-KM R/B |
| Spacetrack catalog number | 23659 | 42970 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 20 11:19 | 2021 Jan 20 20:08 |
| Time of closest approach (UTC) | 2020 Dec 04 00:46:33.775 |
| Minimum distance | 127.163 km |
| Height difference | 2.918 km |
| Relative speed | 14.396 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 80.3°N, 103.7°W |
| Height | 636 km |
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