20217-2100
- Unique Name: 20217-2100BRT1563
- RA: 20 21 41.87
- Dec: -20 59 34.4
- Discoverer: BRT
- Discoverer Number: 1563
- Components:
- First year: 1920
- Last year: 2000
- Observations: 5
- First position angle: 128
- Last position angle: 152
- First separation: 4.6
- Last separation: 5.9
- Mag first component: 12.3
- Mag second component: 13.3
- Spectral type:
- Primary proper motion RA: 10
- Primary proper motion DEC: 4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: