20277+4507
- Unique Name: 20277+4507ROE 43AB
- RA: 20 27 42.34
- Dec: +45 06 37.7
- Discoverer: ROE
- Discoverer Number: 43
- Components: AB
- First year: 1910
- Last year: 2003
- Observations: 5
- First position angle: 314
- Last position angle: 317
- First separation: 15.9
- Last separation: 17.5
- Mag first component: 9.38
- Mag second component: 14.8
- Spectral type: A2
- Primary proper motion RA: -9
- Primary proper motion DEC: -7
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -2
- Durchmusterung: +44 3469
- Notes: