| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 Rocket | Cosmos 1697 |
| Spacetrack catalog number | 17974 | 16181 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 17 10:55 | 2021 Jan 17 19:32 |
| Time of closest approach (UTC) | 2020 Nov 28 00:54:20.899 |
| Minimum distance | 7.579 km |
| Height difference | 5.769 km |
| Relative speed | 14.022 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 12.6°S, 50.0°E |
| Height | 836 km |
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