| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 Rocket | Meteor 1-26 Rocket |
| Spacetrack catalog number | 17974 | 9482 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 16 18:17 | 2021 Jan 16 03:50 |
| Time of closest approach (UTC) | 2020 Dec 05 11:02:29.415 |
| Minimum distance | 24.731 km |
| Height difference | -0.719 km |
| Relative speed | 14.085 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 42.0°N, 102.6°W |
| Height | 848 km |
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