21197+4228
- Unique Name: 21197+4228ES 1583BC
- RA: 21 19 40.17
- Dec: +42 28 30.5
- Discoverer: ES
- Discoverer Number: 1583
- Components: BC
- First year: 1895
- Last year: 2013
- Observations: 7
- First position angle: 76
- Last position angle: 77
- First separation: 6.4
- Last separation: 6.0
- Mag first component: 11.3
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: 5
- Primary proper motion DEC: -1
- Secondary proper motion RA: 11
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: U
