18220-2143
- Unique Name: 18220-2143ARA1528
- RA: 18 21 58.94
- Dec: -21 43 00.0
- Discoverer: ARA
- Discoverer Number: 1528
- Components:
- First year: 1920
- Last year: 2006
- Observations: 8
- First position angle: 309
- Last position angle: 299
- First separation: 9.8
- Last separation: 16.2
- Mag first component: 10.27
- Mag second component: 10.46
- Spectral type:
- Primary proper motion RA: 17
- Primary proper motion DEC: -73
- Secondary proper motion RA: -55
- Secondary proper motion DEC: -59
- Durchmusterung: -21 4962
- Notes: L
