22021+4223
- Unique Name: 22021+4223HDS3128
- RA: 22 02 05.83
- Dec: +42 22 46.8
- Discoverer: HDS
- Discoverer Number: 3128
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 30
- Last position angle: 30
- First separation: 0.3
- Last separation: 0.3
- Mag first component: 11.28
- Mag second component: 11.7
- Spectral type:
- Primary proper motion RA: 7
- Primary proper motion DEC: -5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: