| Primary satellite | Secondary satellite |
| Name | Cosmos 1833 Rocket | DMSP B5D2-3 |
| Spacetrack catalog number | 17590 | 18123 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 20 02:06 | 2021 Jan 19 20:01 |
| Time of closest approach (UTC) | 2020 Dec 03 22:43:57.253 |
| Minimum distance | 12.755 km |
| Height difference | 3.567 km |
| Relative speed | 14.581 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 59.8°N, 94.2°E |
| Height | 845 km |
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