21181+1646
- Unique Name: 21181+1646J 3238AC
- RA: 21 17 55.40
- Dec: +16 44 24.4
- Discoverer: J
- Discoverer Number: 3238
- Components: AC
- First year: 1947
- Last year: 2001
- Observations: 4
- First position angle: 209
- Last position angle: 210
- First separation: 31.6
- Last separation: 30.8
- Mag first component: 12.0
- Mag second component: 11.98
- Spectral type:
- Primary proper motion RA:
- Primary proper motion DEC:
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: