| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | FLOCK 4Y 4 |
| Spacetrack catalog number | 13121 | 55055 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 22 10:54 | 2023 Mar 22 03:06 |
| Time of closest approach (UTC) | 2023 Feb 02 09:50:56.190 |
| Minimum distance | 161.356 km |
| Height difference | -17.457 km |
| Relative speed | 15.218 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 55.6°N, 8.4°E |
| Height | 536 km |
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