| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | ASTROCAST-0104 |
| Spacetrack catalog number | 13121 | 47519 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 22 10:54 | 2023 Mar 22 02:46 |
| Time of closest approach (UTC) | 2023 Feb 02 06:58:11.461 |
| Minimum distance | 142.926 km |
| Height difference | 3.320 km |
| Relative speed | 15.193 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 54.8°N, 153.8°W |
| Height | 532 km |
|