21163+3339
- Unique Name: 21163+3339ES 2317
- RA: 21 16 16.56
- Dec: +33 39 20.4
- Discoverer: ES
- Discoverer Number: 2317
- Components:
- First year: 1927
- Last year: 2002
- Observations: 3
- First position angle: 306
- Last position angle: 310
- First separation: 8.7
- Last separation: 10.5
- Mag first component: 9.15
- Mag second component: 13.8
- Spectral type: K0
- Primary proper motion RA: -7
- Primary proper motion DEC: -18
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +33 4213
- Notes: