| Primary satellite | Secondary satellite |
| Name | Cosmos 1842 | deb HAPS |
| Spacetrack catalog number | 17911 | 24163 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 14 22:33 | 2021 Jan 15 12:01 |
| Time of closest approach (UTC) | 2020 Dec 03 11:26:38.618 |
| Minimum distance | 266.689 km |
| Height difference | -7.033 km |
| Relative speed | 14.374 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 69.0°N, 170.5°E |
| Height | 548 km |
|