| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | FLOCK 4Y 10 |
| Spacetrack catalog number | 13121 | 55029 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 22 10:54 | 2023 Mar 22 03:27 |
| Time of closest approach (UTC) | 2023 Feb 02 15:07:15.454 |
| Minimum distance | 36.345 km |
| Height difference | 6.542 km |
| Relative speed | 15.194 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 8.6°N, 94.5°E |
| Height | 529 km |
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