| 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 11:47 | 2021 Jan 20 18:27 |
| Time of closest approach (UTC) | 2020 Dec 06 18:41:56.198 |
| Minimum distance | 1.968 km |
| Height difference | 1.823 km |
| Relative speed | 15.204 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 49.4°S, 143.5°W |
| Height | 527 km |
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