| Primary satellite | Secondary satellite |
| Name | AUTCUBE 2 | Cosmos 1939 Rocket |
| Spacetrack catalog number | 43679 | 19046 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:57 | 2024 Dec 23 02:36 |
| Time of closest approach (UTC) | 2024 Dec 27 11:54:40.344 |
| Minimum distance | 0.964 km |
| Height difference | -0.531 km |
| Relative speed | 14.899 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 44.2°N, 108.2°W |
| Height | 552 km |
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