| 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 19 19:07 | 2021 Jan 19 22:29 |
| Time of closest approach (UTC) | 2020 Nov 28 00:54:11.186 |
| Minimum distance | 76.668 km |
| Height difference | 5.699 km |
| Relative speed | 14.022 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 11.8°S, 50.3°E |
| Height | 835 km |
|