| Primary satellite | Secondary satellite |
| Name | Cosmos 1346 Rocket | ASTROCAST-0102 |
| Spacetrack catalog number | 13121 | 47488 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Mar 27 03:39 | 2023 Mar 26 21:57 |
| Time of closest approach (UTC) | 2023 Jan 29 06:01:34.935 |
| Minimum distance | 473.675 km |
| Height difference | 4.531 km |
| Relative speed | 15.117 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 65.3°N, 137.9°W |
| Height | 534 km |
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