20209+5511
- Unique Name: 20209+5511TDT2197
- RA: 20 20 56.89
- Dec: +55 10 55.8
- Discoverer: TDT
- Discoverer Number: 2197
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 241
- Last position angle: 241
- First separation: 2.0
- Last separation: 2.0
- Mag first component: 10.81
- Mag second component: 13.32
- Spectral type: B8
- Primary proper motion RA: -1
- Primary proper motion DEC: -17
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -17
- Durchmusterung:
- Notes: