21511-5220
- Unique Name: 21511-5220RST1112
- RA: 21 51 07.95
- Dec: -52 19 51.2
- Discoverer: RST
- Discoverer Number: 1112
- Components:
- First year: 1930
- Last year: 1991
- Observations: 3
- First position angle: 352
- Last position angle: 350
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 10.77
- Mag second component: 11.02
- Spectral type: G5V
- Primary proper motion RA: 39
- Primary proper motion DEC: -50
- Secondary proper motion RA: 39
- Secondary proper motion DEC: -50
- Durchmusterung: -5211945
- Notes: