20120+2100
- Unique Name: 20120+2100HJ 907AC
- RA: 20 12 02.35
- Dec: +20 59 06.1
- Discoverer: HJ
- Discoverer Number: 907
- Components: AC
- First year: 1903
- Last year: 2008
- Observations: 4
- First position angle: 245
- Last position angle: 230
- First separation: 8.8
- Last separation: 19.4
- Mag first component: 9.77
- Mag second component: 14.3
- Spectral type: K2
- Primary proper motion RA: 66
- Primary proper motion DEC: 72
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: