| Primary satellite | Secondary satellite |
| Name | Kosmos-2040 | RS-44 |
| Spacetrack catalog number | 20234 | 44909 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:45 | 2024 Dec 23 09:18 |
| Time of closest approach (UTC) | 2024 Dec 24 10:06:19.870 |
| Minimum distance | 5.008 km |
| Height difference | -1.770 km |
| Relative speed | 11.367 km/s |
| Angle between velocity vectors | 105° |
| Geographic position | 77.7°N, 130.3°E |
| Height | 1421 km |
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