21226+3158
- Unique Name: 21226+3158HJ 1637AB
- RA: 21 22 33.22
- Dec: +31 57 39.0
- Discoverer: HJ
- Discoverer Number: 1637
- Components: AB
- First year: 1828
- Last year: 2003
- Observations: 9
- First position angle: 106
- Last position angle: 103
- First separation: 8.0
- Last separation: 12.2
- Mag first component: 8.7
- Mag second component: 11.7
- Spectral type: F5
- Primary proper motion RA: 10
- Primary proper motion DEC: -37
- Secondary proper motion RA: 17
- Secondary proper motion DEC: -38
- Durchmusterung: +31 4431
- Notes: V
