| Primary satellite | Secondary satellite |
| Name | Nadezhda 2 Rocket | Cosmos 1308 Rocket |
| Spacetrack catalog number | 20509 | 12836 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:40 | 2024 Dec 23 02:22 |
| Time of closest approach (UTC) | 2024 Dec 27 10:50:55.680 |
| Minimum distance | 2.933 km |
| Height difference | -2.286 km |
| Relative speed | 11.250 km/s |
| Angle between velocity vectors | 99° |
| Geographic position | 79.1°N, 30.3°W |
| Height | 974 km |
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