20430+3555
- Unique Name: 20430+3555HJ 1568
- RA: 20 42 57.15
- Dec: +35 55 17.4
- Discoverer: HJ
- Discoverer Number: 1568
- Components:
- First year: 1828
- Last year: 2002
- Observations: 7
- First position angle: 48
- Last position angle: 44
- First separation: 5.0
- Last separation: 11.2
- Mag first component: 9.51
- Mag second component: 12.0
- Spectral type: A0
- Primary proper motion RA: -2
- Primary proper motion DEC: -4
- Secondary proper motion RA: -1
- Secondary proper motion DEC: 2
- Durchmusterung: +35 4230
- Notes: