20123+2215
- Unique Name: 20123+2215J 3057
- RA: 20 12 31.72
- Dec: +22 15 15.3
- Discoverer: J
- Discoverer Number: 3057
- Components:
- First year: 1944
- Last year: 2008
- Observations: 6
- First position angle: 95
- Last position angle: 104
- First separation: 6.0
- Last separation: 6.7
- Mag first component: 10.0
- Mag second component: 10.8
- Spectral type:
- Primary proper motion RA: -15
- Primary proper motion DEC: -7
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -16
- Durchmusterung:
- Notes: