21180-2203
- Unique Name: 21180-2203RSS 558
- RA: 21 18 00.77
- Dec: -22 02 43.2
- Discoverer: RSS
- Discoverer Number: 558
- Components:
- First year: 1920
- Last year: 2013
- Observations: 7
- First position angle: 228
- Last position angle: 228
- First separation: 21.6
- Last separation: 22.4
- Mag first component: 9.34
- Mag second component: 12.0
- Spectral type: G1V
- Primary proper motion RA: -14
- Primary proper motion DEC: -30
- Secondary proper motion RA: -16
- Secondary proper motion DEC: -33
- Durchmusterung: -2215309
- Notes: N
