20277+4507
- Unique Name: 20277+4507BKO 154EK
- RA: 20 27 34.68
- Dec: +45 06 54.6
- Discoverer: BKO
- Discoverer Number: 154
- Components: EK
- First year: 1998
- Last year: 2003
- Observations: 3
- First position angle: 107
- Last position angle: 109
- First separation: 4.8
- Last separation: 4.7
- Mag first component: 11.2
- Mag second component: 13.0
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: 3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: