21315+5237
- Unique Name: 21315+5237ARY 88AB
- RA: 21 31 27.46
- Dec: +52 37 11.5
- Discoverer: ARY
- Discoverer Number: 88
- Components: AB
- First year: 1991
- Last year: 2011
- Observations: 2
- First position angle: 12
- Last position angle: 11
- First separation: 46.3
- Last separation: 46.3
- Mag first component: 6.28
- Mag second component: 9.87
- Spectral type: G2Ib
- Primary proper motion RA: 1
- Primary proper motion DEC: -2
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: