21231+4831
- Unique Name: 21231+4831HDS3045
- RA: 21 23 08.20
- Dec: +48 31 08.3
- Discoverer: HDS
- Discoverer Number: 3045
- Components:
- First year: 1991
- Last year: 2010
- Observations: 12
- First position angle: 59
- Last position angle: 60
- First separation: 0.5
- Last separation: 0.3
- Mag first component: 8.02
- Mag second component: 10.16
- Spectral type: F0
- Primary proper motion RA: 108
- Primary proper motion DEC: -26
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +47 3386
- Notes: N
