12210+4531
- Unique Name: 12210+4531OPI 18AB
- RA: 12 21 02.43
- Dec: +45 30 52.9
- Discoverer: OPI
- Discoverer Number: 18
- Components: AB
- First year: 1926
- Last year: 1926
- Observations: 1
- First position angle: 257
- Last position angle: 257
- First separation: 3.9
- Last separation: 3.9
- Mag first component: 7.45
- Mag second component: 12.3
- Spectral type: G8III
- Primary proper motion RA: -87
- Primary proper motion DEC: -24
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: