| 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 26 11:47 | 2021 Jan 26 09:48 |
| Time of closest approach (UTC) | 2020 Dec 04 13:29:37.717 |
| Minimum distance | 6.204 km |
| Height difference | -3.284 km |
| Relative speed | 15.169 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 82.5°N, 34.8°E |
| Height | 536 km |
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