| Primary satellite | Secondary satellite |
| Name | Cosmos 1842 | OBJECT R |
| Spacetrack catalog number | 17911 | 51839 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:43 | 2024 Dec 22 20:29 |
| Time of closest approach (UTC) | 2024 Dec 23 21:10:24.673 |
| Minimum distance | 3.258 km |
| Height difference | 1.732 km |
| Relative speed | 7.814 km/s |
| Angle between velocity vectors | 62° |
| Geographic position | 75.5°S, 171.3°E |
| Height | 501 km |
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