| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | OBJECT C |
| Spacetrack catalog number | 13121 | 49005 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 25 21:29 | 2023 Mar 25 19:37 |
| Time of closest approach (UTC) | 2023 Feb 01 05:54:37.911 |
| Minimum distance | 92.102 km |
| Height difference | 7.821 km |
| Relative speed | 15.168 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 29.5°S, 118.1°W |
| Height | 543 km |
|