| Primary satellite | Secondary satellite |
| Name | Cosmos 1733 | FLOCK EP 7 |
| Spacetrack catalog number | 16611 | 46814 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 20 03:53 | 2021 Jan 20 10:09 |
| Time of closest approach (UTC) | 2020 Dec 06 18:41:59.281 |
| Minimum distance | 1.940 km |
| Height difference | 1.743 km |
| Relative speed | 15.204 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 49.1°S, 143.4°W |
| Height | 526 km |
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