| Primary satellite | Secondary satellite |
| Name | Cosmos 1733 | UPMSAT-2 |
| Spacetrack catalog number | 16611 | 46276 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 20 11:47 | 2021 Jan 20 04:55 |
| Time of closest approach (UTC) | 2020 Dec 04 11:55:45.209 |
| Minimum distance | 5.517 km |
| Height difference | -3.413 km |
| Relative speed | 15.171 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 82.5°N, 63.2°E |
| Height | 536 km |
|