21142+4211
- Unique Name: 21142+4211COU2226
- RA: 21 14 09.11
- Dec: +42 11 02.8
- Discoverer: COU
- Discoverer Number: 2226
- Components:
- First year: 1984
- Last year: 1992
- Observations: 2
- First position angle: 110
- Last position angle: 117
- First separation: 0.2
- Last separation: 0.2
- Mag first component: 11.9
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +41 4045
- Notes: