| 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 22 14:44 | 2021 Jan 22 10:20 |
| Time of closest approach (UTC) | 2020 Nov 28 02:13:32.455 |
| Minimum distance | 2.710 km |
| Height difference | -0.661 km |
| Relative speed | 15.173 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 71.9°S, 84.0°W |
| Height | 551 km |
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