20171+1604
- Unique Name: 20171+1604CHE 270
- RA: 20 17 05.64
- Dec: +16 03 10.1
- Discoverer: CHE
- Discoverer Number: 270
- Components:
- First year: 1910
- Last year: 2008
- Observations: 5
- First position angle: 111
- Last position angle: 103
- First separation: 13.7
- Last separation: 15.9
- Mag first component: 13.01
- Mag second component: 13.2
- Spectral type:
- Primary proper motion RA: -18
- Primary proper motion DEC: 2
- Secondary proper motion RA: 14
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: