| Primary satellite | Secondary satellite |
| Name | Cosmos 1842 | CZ-2D R/B |
| Spacetrack catalog number | 17911 | 28738 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Dec 03 13:39 | 2023 Dec 03 13:20 |
| Time of closest approach (UTC) | 2023 Oct 05 10:55:46.219 |
| Minimum distance | 3.507 km |
| Height difference | -1.789 km |
| Relative speed | 15.215 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 63.5°S, 114.2°E |
| Height | 521 km |
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