20113+2121
- Unique Name: 20113+2121HO 587
- RA: 20 11 17.43
- Dec: +21 21 07.3
- Discoverer: HO
- Discoverer Number: 587
- Components:
- First year: 1897
- Last year: 2008
- Observations: 7
- First position angle: 64
- Last position angle: 65
- First separation: 13.2
- Last separation: 11.5
- Mag first component: 8.1
- Mag second component: 12.1
- Spectral type: A0
- Primary proper motion RA: 14
- Primary proper motion DEC: 5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +20 4464
- Notes: