| Primary satellite | Secondary satellite |
| Name | Cosmos 1733 | CARTOSAT 2C |
| Spacetrack catalog number | 16611 | 41599 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 20 03:53 | 2021 Jan 20 10:44 |
| Time of closest approach (UTC) | 2020 Dec 07 16:40:35.000 |
| Minimum distance | 10.523 km |
| Height difference | -1.876 km |
| Relative speed | 15.200 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 82.5°S, 164.6°E |
| Height | 532 km |
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