| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | FLOCK 4Y 36 |
| Spacetrack catalog number | 13121 | 55075 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 25 21:29 | 2023 Mar 25 17:39 |
| Time of closest approach (UTC) | 2023 Feb 01 21:42:06.166 |
| Minimum distance | 193.118 km |
| Height difference | 0.140 km |
| Relative speed | 15.188 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 7.4°S, 0.2°W |
| Height | 533 km |
|