21315+5237
- Unique Name: 21315+5237ARY 88AD
- RA: 21 31 27.46
- Dec: +52 37 11.5
- Discoverer: ARY
- Discoverer Number: 88
- Components: AD
- First year: 1991
- Last year: 2011
- Observations: 2
- First position angle: 56
- Last position angle: 56
- First separation: 93.5
- Last separation: 93.3
- Mag first component: 6.28
- Mag second component: 10.4
- Spectral type: G2Ib
- Primary proper motion RA: 1
- Primary proper motion DEC: -2
- Secondary proper motion RA: 65
- Secondary proper motion DEC: 19
- Durchmusterung:
- Notes: