21163+4129
- Unique Name: 21163+4129ES 1688
- RA: 21 16 19.36
- Dec: +41 28 43.6
- Discoverer: ES
- Discoverer Number: 1688
- Components:
- First year: 1895
- Last year: 2002
- Observations: 6
- First position angle: 147
- Last position angle: 147
- First separation: 5.3
- Last separation: 5.3
- Mag first component: 11.1
- Mag second component: 11.55
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -5
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -6
- Durchmusterung: +40 4466
- Notes: