| Primary satellite | Secondary satellite |
| Name | Cosmos 1842 | TIANHUI 2-01B |
| Spacetrack catalog number | 17911 | 44209 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Dec 03 13:39 | 2023 Dec 03 04:22 |
| Time of closest approach (UTC) | 2023 Oct 03 15:21:22.482 |
| Minimum distance | 7.639 km |
| Height difference | 5.091 km |
| Relative speed | 15.205 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 35.1°N, 138.6°W |
| Height | 519 km |
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