20443+5457
- Unique Name: 20443+5457TDT2508
- RA: 20 44 20.74
- Dec: +54 57 21.6
- Discoverer: TDT
- Discoverer Number: 2508
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 82
- Last position angle: 82
- First separation: 0.8
- Last separation: 0.8
- Mag first component: 10.85
- Mag second component: 11.3
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: 11
- Secondary proper motion RA: -7
- Secondary proper motion DEC: 11
- Durchmusterung:
- Notes: