| Primary satellite | Secondary satellite |
| Name | Cosmos 1805 | SL-19 R/B |
| Spacetrack catalog number | 17191 | 36039 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Nov 30 04:31 | 2023 Dec 01 12:05 |
| Time of closest approach (UTC) | 2023 Oct 03 02:24:43.953 |
| Minimum distance | 7.816 km |
| Height difference | -1.149 km |
| Relative speed | 15.262 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 17.2°N, 49.3°E |
| Height | 513 km |
|