| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | OBJECT X |
| Spacetrack catalog number | 13121 | 51845 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 25 21:29 | 2023 Mar 25 22:36 |
| Time of closest approach (UTC) | 2023 Jan 30 07:09:42.708 |
| Minimum distance | 319.682 km |
| Height difference | -4.999 km |
| Relative speed | 15.180 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 57.0°N, 56.1°E |
| Height | 538 km |
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