| 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 28 14:46 | 2023 Sep 28 11:35 |
| Time of closest approach (UTC) | 2023 Jun 14 04:58:38.888 |
| Minimum distance | 99.764 km |
| Height difference | 43.355 km |
| Relative speed | 15.142 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 79.2°N, 7.8°E |
| Height | 568 km |
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