20020+3840
- Unique Name: 20020+3840A 1411AB
- RA: 20 01 59.20
- Dec: +38 39 55.4
- Discoverer: A
- Discoverer Number: 1411
- Components: AB
- First year: 1906
- Last year: 1997
- Observations: 6
- First position angle: 204
- Last position angle: 203
- First separation: 1.1
- Last separation: 1.4
- Mag first component: 8.59
- Mag second component: 12.3
- Spectral type: A3V
- Primary proper motion RA: 2
- Primary proper motion DEC: -6
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +38 3871
- Notes: