| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | CZ-2C R/B |
| Spacetrack catalog number | 13121 | 54039 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Mar 26 21:18 | 2023 Mar 26 22:55 |
| Time of closest approach (UTC) | 2023 Jan 31 16:41:56.417 |
| Minimum distance | 110.630 km |
| Height difference | 1.700 km |
| Relative speed | 13.187 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 80.9°N, 28.8°W |
| Height | 537 km |
|