| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | Cosmos 1315 Rocket |
| Spacetrack catalog number | 13121 | 12904 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Mar 25 21:29 | 2023 Mar 25 21:58 |
| Time of closest approach (UTC) | 2023 Jan 31 08:10:14.303 |
| Minimum distance | 200.034 km |
| Height difference | -2.961 km |
| Relative speed | 14.922 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 35.8°S, 18.6°E |
| Height | 555 km |
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