20128+3439
- Unique Name: 20128+3439TDT2091
- RA: 20 12 46.45
- Dec: +34 38 38.7
- Discoverer: TDT
- Discoverer Number: 2091
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 24
- Last position angle: 24
- First separation: 1.0
- Last separation: 1.0
- Mag first component: 11.44
- Mag second component: 11.92
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: -28
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -28
- Durchmusterung:
- Notes: