15311+2747
- Unique Name: 15311+2747J 3321
- RA: 15 31 08.33
- Dec: +27 46 20.6
- Discoverer: J
- Discoverer Number: 3321
- Components:
- First year: 1957
- Last year: 2011
- Observations: 6
- First position angle: 228
- Last position angle: 228
- First separation: 3.9
- Last separation: 4.4
- Mag first component: 10.1
- Mag second component: 11.5
- Spectral type:
- Primary proper motion RA: 10
- Primary proper motion DEC: 27
- Secondary proper motion RA: -22
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: