22171+5521
- Unique Name: 22171+5521SMH 9AC
- RA: 22 17 10.91
- Dec: +55 20 49.8
- Discoverer: SMH
- Discoverer Number: 9
- Components: AC
- First year: 1999
- Last year: 2009
- Observations: 2
- First position angle: 18
- Last position angle: 20
- First separation: 2.2
- Last separation: 2.2
- Mag first component: 12.5
- Mag second component: 15.1
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes:
