20277+4507
- Unique Name: 20277+4507BKO 154CJ
- RA: 20 27 38.62
- Dec: +45 07 12.8
- Discoverer: BKO
- Discoverer Number: 154
- Components: CJ
- First year: 1998
- Last year: 2003
- Observations: 3
- First position angle: 333
- Last position angle: 331
- First separation: 18.3
- Last separation: 18.0
- Mag first component: 13.4
- Mag second component: 13.9
- Spectral type:
- Primary proper motion RA: 2
- Primary proper motion DEC: -1
- Secondary proper motion RA: -65
- Secondary proper motion DEC: 10
- Durchmusterung:
- Notes: