20229+4259
- Unique Name: 20229+4259HO 128AB
- RA: 20 22 55.49
- Dec: +42 59 00.4
- Discoverer: HO
- Discoverer Number: 128
- Components: AB
- First year: 1886
- Last year: 2010
- Observations: 32
- First position angle: 35
- Last position angle: 358
- First separation: 1.0
- Last separation: 1.4
- Mag first component: 6.41
- Mag second component: 8.82
- Spectral type: G8III
- Primary proper motion RA: 55
- Primary proper motion DEC: 39
- Secondary proper motion RA: 55
- Secondary proper motion DEC: 39
- Durchmusterung: +42 3721
- Notes: N D