21150-3059
- Unique Name: 21150-3059RSS 557
- RA: 21 15 02.21
- Dec: -30 58 59.5
- Discoverer: RSS
- Discoverer Number: 557
- Components:
- First year: 1896
- Last year: 1999
- Observations: 12
- First position angle: 343
- Last position angle: 340
- First separation: 52.8
- Last separation: 54.9
- Mag first component: 7.53
- Mag second component: 9.31
- Spectral type: K1III
- Primary proper motion RA: 21
- Primary proper motion DEC: -41
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -25
- Durchmusterung: -3118149
- Notes: