20590+3218
- Unique Name: 20590+3218COU1636
- RA: 20 59 00.31
- Dec: +32 18 14.5
- Discoverer: COU
- Discoverer Number: 1636
- Components:
- First year: 1977
- Last year: 1997
- Observations: 5
- First position angle: 6
- Last position angle: 9
- First separation: 0.8
- Last separation: 1.1
- Mag first component: 11.11
- Mag second component: 11.13
- Spectral type: G0
- Primary proper motion RA: -11
- Primary proper motion DEC: -20
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -20
- Durchmusterung: +31 4295
- Notes: