| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | FLOCK 4Y 27 |
| Spacetrack catalog number | 13121 | 55083 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 27 03:39 | 2023 Mar 27 03:00 |
| Time of closest approach (UTC) | 2023 Feb 01 19:42:58.597 |
| Minimum distance | 164.003 km |
| Height difference | -13.720 km |
| Relative speed | 15.224 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 81.1°N, 72.5°W |
| Height | 537 km |
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