20057+4812
- Unique Name: 20057+4812TDT1966
- RA: 20 05 39.47
- Dec: +48 11 40.8
- Discoverer: TDT
- Discoverer Number: 1966
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 155
- Last position angle: 155
- First separation: 1.9
- Last separation: 1.9
- Mag first component: 11.06
- Mag second component: 11.21
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: -4
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: