| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | USA 320 |
| Spacetrack catalog number | 13121 | 51075 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Mar 22 10:54 | 2023 Mar 21 20:00 |
| Time of closest approach (UTC) | 2023 Jan 29 02:31:19.509 |
| Minimum distance | 423.980 km |
| Height difference | 5.633 km |
| Relative speed | 15.189 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 45.7°N, 123.6°E |
| Height | 538 km |
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