| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | CZ-11 DEB |
| Spacetrack catalog number | 13121 | 41846 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 25 21:29 | 2023 Mar 25 17:49 |
| Time of closest approach (UTC) | 2023 Jan 30 04:50:19.395 |
| Minimum distance | 5.968 km |
| Height difference | 0.274 km |
| Relative speed | 15.267 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 70.1°S, 77.4°W |
| Height | 564 km |
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