20310+0211
- Unique Name: 20310+0211J 561
- RA: 20 30 55.17
- Dec: +02 11 13.1
- Discoverer: J
- Discoverer Number: 561
- Components:
- First year: 1909
- Last year: 2000
- Observations: 7
- First position angle: 183
- Last position angle: 177
- First separation: 4.4
- Last separation: 4.4
- Mag first component: 12.83
- Mag second component: 12.83
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: -5
- Secondary proper motion RA: 5
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes: B
