| 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 11:47 | 2021 Jan 20 17:26 |
| Time of closest approach (UTC) | 2020 Dec 07 13:30:51.202 |
| Minimum distance | 8.800 km |
| Height difference | -1.735 km |
| Relative speed | 15.199 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 82.5°S, 143.9°W |
| Height | 532 km |
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