| Primary satellite | Secondary satellite |
| Name | RS-44 | Kosmos-2040 |
| Spacetrack catalog number | 44909 | 20234 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 10:47 | 2024 Dec 22 17:58 |
| Time of closest approach (UTC) | 2024 Dec 24 10:06:19.863 |
| Minimum distance | 4.991 km |
| Height difference | 1.781 km |
| Relative speed | 11.367 km/s |
| Angle between velocity vectors | 105° |
| Geographic position | 77.7°N, 130.1°E |
| Height | 1419 km |
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