20543-2638
- Unique Name: 20543-2638RSS 554
- RA: 20 54 18.53
- Dec: -26 37 33.6
- Discoverer: RSS
- Discoverer Number: 554
- Components:
- First year: 1977
- Last year: 1999
- Observations: 3
- First position angle: 209
- Last position angle: 208
- First separation: 16.3
- Last separation: 16.6
- Mag first component: 10.09
- Mag second component: 13.0
- Spectral type: G5/G6V
- Primary proper motion RA: 7
- Primary proper motion DEC: 22
- Secondary proper motion RA: 12
- Secondary proper motion DEC: 24
- Durchmusterung: -2715112
- Notes: