| 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 22 10:54 | 2023 Mar 22 13:50 |
| Time of closest approach (UTC) | 2023 Feb 02 02:47:57.182 |
| Minimum distance | 84.351 km |
| Height difference | 0.872 km |
| Relative speed | 15.135 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 76.4°S, 38.6°W |
| Height | 567 km |
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