| Primary satellite | Secondary satellite |
| Name | Cosmos 2058 | FLOCK 1C 4 |
| Spacetrack catalog number | 20465 | 40031 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 22 01:59 | 2023 Sep 21 16:06 |
| Time of closest approach (UTC) | 2023 Jun 10 12:58:41.691 |
| Minimum distance | 612.666 km |
| Height difference | 29.577 km |
| Relative speed | 15.125 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 24.7°N, 144.7°W |
| Height | 571 km |
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