20166+4437
- Unique Name: 20166+4437TDT2135
- RA: 20 16 36.36
- Dec: +44 37 10.3
- Discoverer: TDT
- Discoverer Number: 2135
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 38
- Last position angle: 38
- First separation: 0.9
- Last separation: 0.9
- Mag first component: 11.39
- Mag second component: 11.89
- Spectral type:
- Primary proper motion RA: 13
- Primary proper motion DEC: 7
- Secondary proper motion RA: 13
- Secondary proper motion DEC: 7
- Durchmusterung:
- Notes: