20331+2852
- Unique Name: 20331+2852ES 507AD
- RA: 20 33 03.81
- Dec: +28 51 48.0
- Discoverer: ES
- Discoverer Number: 507
- Components: AD
- First year: 1892
- Last year: 2012
- Observations: 14
- First position angle: 224
- Last position angle: 223
- First separation: 38.0
- Last separation: 36.8
- Mag first component: 8.78
- Mag second component: 10.49
- Spectral type: F
- Primary proper motion RA: -5
- Primary proper motion DEC: -19
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -12
- Durchmusterung: +28 3788
- Notes: Y
