22171+5521
- Unique Name: 22171+5521SMH 9BD
- RA: 22 17 09.61
- Dec: +55 20 57.5
- Discoverer: SMH
- Discoverer Number: 9
- Components: BD
- First year: 2009
- Last year: 2009
- Observations: 1
- First position angle: 181
- Last position angle: 181
- First separation: 2.1
- Last separation: 2.1
- Mag first component: 14.2
- Mag second component: 14.5
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: