20509+5342
- Unique Name: 20509+5342TDT2576
- RA: 20 50 54.97
- Dec: +53 41 48.8
- Discoverer: TDT
- Discoverer Number: 2576
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 57
- Last position angle: 57
- First separation: 0.7
- Last separation: 0.7
- Mag first component: 11.51
- Mag second component: 11.68
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -11
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes: