| Primary satellite | Secondary satellite |
| Name | AAC-AIS-SAT2 | Cosmos 1666 Rocket |
| Spacetrack catalog number | 56996 | 15890 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:46 | 2024 Dec 23 02:26 |
| Time of closest approach (UTC) | 2024 Dec 25 05:00:33.779 |
| Minimum distance | 4.498 km |
| Height difference | 3.890 km |
| Relative speed | 10.501 km/s |
| Angle between velocity vectors | 88° |
| Geographic position | 78.8°N, 177.0°E |
| Height | 614 km |
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