21172+1502
- Unique Name: 21172+1502UC 4427
- RA: 21 17 13.66
- Dec: +15 01 46.7
- Discoverer: UC
- Discoverer Number: 4427
- Components:
- First year: 2000
- Last year: 2001
- Observations: 2
- First position angle: 329
- Last position angle: 329
- First separation: 53.3
- Last separation: 53.2
- Mag first component: 14.7
- Mag second component: 15.23
- Spectral type:
- Primary proper motion RA: 54
- Primary proper motion DEC: -32
- Secondary proper motion RA: 45
- Secondary proper motion DEC: -40
- Durchmusterung:
- Notes: V
