21310+1256
- Unique Name: 21310+1256LDS4891AB
- RA: 21 31 02.72
- Dec: +12 56 04.1
- Discoverer: LDS
- Discoverer Number: 4891
- Components: AB
- First year: 1960
- Last year: 1998
- Observations: 2
- First position angle: 167
- Last position angle: 167
- First separation: 90.0
- Last separation: 90.5
- Mag first component: 14.42
- Mag second component: 16.98
- Spectral type:
- Primary proper motion RA: 12
- Primary proper motion DEC: -7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: