| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | OBJECT Z |
| Spacetrack catalog number | 13121 | 47436 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 25 21:29 | 2023 Mar 25 23:11 |
| Time of closest approach (UTC) | 2023 Jan 29 18:37:00.377 |
| Minimum distance | 8.359 km |
| Height difference | 7.861 km |
| Relative speed | 15.117 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 79.5°N, 4.3°W |
| Height | 537 km |
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