20447+2857
- Unique Name: 20447+2857TDT2514
- RA: 20 44 43.89
- Dec: +28 57 23.8
- Discoverer: TDT
- Discoverer Number: 2514
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 130
- Last position angle: 130
- First separation: 1.8
- Last separation: 1.8
- Mag first component: 10.49
- Mag second component: 12.41
- Spectral type:
- Primary proper motion RA: 6
- Primary proper motion DEC: -3
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: