21427+5615
- Unique Name: 21427+5615STI2586
- RA: 21 42 40.45
- Dec: +56 14 56.9
- Discoverer: STI
- Discoverer Number: 2586
- Components:
- First year: 1906
- Last year: 2011
- Observations: 10
- First position angle: 4
- Last position angle: 2
- First separation: 9.9
- Last separation: 12.4
- Mag first component: 10.71
- Mag second component: 11.72
- Spectral type: G0
- Primary proper motion RA: 14
- Primary proper motion DEC: 12
- Secondary proper motion RA: 13
- Secondary proper motion DEC: 11
- Durchmusterung: +55 2619
- Notes: