| Primary satellite | Secondary satellite |
| Name | Nadezhda 2 Rocket | Cosmos 1816 Rocket |
| Spacetrack catalog number | 20509 | 17360 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:40 | 2024 Dec 22 13:59 |
| Time of closest approach (UTC) | 2024 Dec 24 02:29:40.800 |
| Minimum distance | 3.969 km |
| Height difference | 0.005 km |
| Relative speed | 8.510 km/s |
| Angle between velocity vectors | 70° |
| Geographic position | 81.4°N, 14.8°E |
| Height | 965 km |
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