20172+1553
- Unique Name: 20172+1553CHE 273AB
- RA: 20 17 09.78
- Dec: +15 52 21.8
- Discoverer: CHE
- Discoverer Number: 273
- Components: AB
- First year: 1910
- Last year: 2008
- Observations: 6
- First position angle: 86
- Last position angle: 94
- First separation: 28.0
- Last separation: 27.2
- Mag first component: 7.48
- Mag second component: 13.4
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -11
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -53
- Durchmusterung:
- Notes: N
