21231+3144
- Unique Name: 21231+3144HDS3046AB
- RA: 21 23 07.06
- Dec: +31 43 36.6
- Discoverer: HDS
- Discoverer Number: 3046
- Components: AB
- First year: 1991
- Last year: 1991
- Observations: 2
- First position angle: 329
- Last position angle: 329
- First separation: 4.8
- Last separation: 4.8
- Mag first component: 9.25
- Mag second component: 12.91
- Spectral type: M0
- Primary proper motion RA: -5
- Primary proper motion DEC: -12
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -11
- Durchmusterung: +31 4433
- Notes: