| Primary satellite | Secondary satellite |
| Name | Cosmos 1842 | AIM |
| Spacetrack catalog number | 17911 | 31304 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 14 22:33 | 2021 Jan 14 16:45 |
| Time of closest approach (UTC) | 2020 Dec 03 21:52:24.962 |
| Minimum distance | 61.767 km |
| Height difference | 0.229 km |
| Relative speed | 15.070 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 81.1°S, 63.2°W |
| Height | 554 km |
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