20031+3343
- Unique Name: 20031+3343SEI 818
- RA: 20 03 07.00
- Dec: +33 43 01.9
- Discoverer: SEI
- Discoverer Number: 818
- Components:
- First year: 1893
- Last year: 2008
- Observations: 10
- First position angle: 207
- Last position angle: 207
- First separation: 15.1
- Last separation: 15.4
- Mag first component: 9.49
- Mag second component: 11.81
- Spectral type: K5
- Primary proper motion RA: 1
- Primary proper motion DEC: -3
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -5
- Durchmusterung: +33 3705
- Notes: