20231+4047
- Unique Name: 20231+4047J 787AB
- RA: 20 23 07.30
- Dec: +40 46 55.2
- Discoverer: J
- Discoverer Number: 787
- Components: AB
- First year: 1912
- Last year: 2003
- Observations: 4
- First position angle: 159
- Last position angle: 165
- First separation: 1.8
- Last separation: 2.6
- Mag first component: 9.4
- Mag second component: 12.0
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: 0
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N