20217+3112
- Unique Name: 20217+3112BRT 279
- RA: 20 21 43.07
- Dec: +31 13 20.2
- Discoverer: BRT
- Discoverer Number: 279
- Components:
- First year: 1900
- Last year: 2002
- Observations: 3
- First position angle: 135
- Last position angle: 126
- First separation: 3.8
- Last separation: 3.7
- Mag first component: 12.05
- Mag second component: 13.05
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: 12
- Secondary proper motion RA: 14
- Secondary proper motion DEC: 8
- Durchmusterung:
- Notes: B
