20558+2027
- Unique Name: 20558+2027J 606
- RA: 20 55 50.32
- Dec: +20 25 02.9
- Discoverer: J
- Discoverer Number: 606
- Components:
- First year: 1895
- Last year: 2010
- Observations: 9
- First position angle: 178
- Last position angle: 182
- First separation: 2.2
- Last separation: 2.5
- Mag first component: 9.9
- Mag second component: 10.0
- Spectral type:
- Primary proper motion RA: 4
- Primary proper motion DEC: 1
- Secondary proper motion RA: 3
- Secondary proper motion DEC: -15
- Durchmusterung:
- Notes: