| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | FLOCK 4Y 32 |
| Spacetrack catalog number | 13121 | 55021 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 22 10:54 | 2023 Mar 22 03:45 |
| Time of closest approach (UTC) | 2023 Feb 02 16:44:58.933 |
| Minimum distance | 26.786 km |
| Height difference | 8.536 km |
| Relative speed | 15.187 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 0.4°S, 71.3°E |
| Height | 531 km |
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