21428+8535
- Unique Name: 21428+8535UC 4536
- RA: 21 42 45.50
- Dec: +85 34 58.1
- Discoverer: UC
- Discoverer Number: 4536
- Components:
- First year: 2000
- Last year: 2004
- Observations: 3
- First position angle: 33
- Last position angle: 33
- First separation: 27.2
- Last separation: 27.3
- Mag first component: 13.09
- Mag second component: 13.41
- Spectral type:
- Primary proper motion RA: 52
- Primary proper motion DEC: 28
- Secondary proper motion RA: 52
- Secondary proper motion DEC: 19
- Durchmusterung:
- Notes: V