20331+2852
- Unique Name: 20331+2852ES 507DS
- RA: 20 33 01.85
- Dec: +28 51 21.3
- Discoverer: ES
- Discoverer Number: 507
- Components: DS
- First year: 1926
- Last year: 2012
- Observations: 5
- First position angle: 149
- Last position angle: 142
- First separation: 15.2
- Last separation: 16.7
- Mag first component: 10.49
- Mag second component: 12.8
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: -12
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -27
- Durchmusterung:
- Notes: