| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | OBJECT E |
| Spacetrack catalog number | 13121 | 49007 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 27 03:39 | 2023 Mar 26 19:31 |
| Time of closest approach (UTC) | 2023 Feb 02 04:21:01.065 |
| Minimum distance | 36.805 km |
| Height difference | 4.645 km |
| Relative speed | 15.137 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 63.5°S, 83.6°W |
| Height | 562 km |
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