20391+1005
- Unique Name: 20391+1005STT 533AB
- RA: 20 39 07.59
- Dec: +10 05 10.1
- Discoverer: STT
- Discoverer Number: 533
- Components: AB
- First year: 1851
- Last year: 2001
- Observations: 34
- First position angle: 11
- Last position angle: 278
- First separation: 10.0
- Last separation: 44.8
- Mag first component: 5.15
- Mag second component: 11.63
- Spectral type: G1IV K2IV
- Primary proper motion RA: 324
- Primary proper motion DEC: 22
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -2
- Durchmusterung: +09 4600
- Notes: NL
