17566+5813
- Unique Name: 17566+5813ES 20
- RA: 17 56 23.34
- Dec: +58 13 06.5
- Discoverer: ES
- Discoverer Number: 20
- Components:
- First year: 1900
- Last year: 2008
- Observations: 16
- First position angle: 228
- Last position angle: 212
- First separation: 14.3
- Last separation: 17.2
- Mag first component: 10.85
- Mag second component: 11.08
- Spectral type: C
- Primary proper motion RA: -17
- Primary proper motion DEC: -58
- Secondary proper motion RA: 8
- Secondary proper motion DEC: -21
- Durchmusterung:
- Notes: N