| Primary satellite | Secondary satellite |
| Name | Cosmos 1733 | CZ-2D DEB |
| Spacetrack catalog number | 16611 | 43102 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 20 11:47 | 2021 Jan 20 02:52 |
| Time of closest approach (UTC) | 2020 Dec 04 19:50:46.876 |
| Minimum distance | 34.892 km |
| Height difference | 2.407 km |
| Relative speed | 15.115 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 82.4°N, 47.8°W |
| Height | 536 km |
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