21158+0747
- Unique Name: 21158+0747SKF1870
- RA: 21 15 50.59
- Dec: +07 46 30.4
- Discoverer: SKF
- Discoverer Number: 1870
- Components:
- First year: 1913
- Last year: 2010
- Observations: 5
- First position angle: 203
- Last position angle: 203
- First separation: 43.2
- Last separation: 43.3
- Mag first component: 9.44
- Mag second component: 11.19
- Spectral type: K0
- Primary proper motion RA: 20
- Primary proper motion DEC: 5
- Secondary proper motion RA: 18
- Secondary proper motion DEC: 4
- Durchmusterung: +07 4653
- Notes: