18311+3215
- Unique Name: 18311+3215STF2333AB
- RA: 18 31 06.94
- Dec: +32 14 43.4
- Discoverer: STF
- Discoverer Number: 2333
- Components: AB
- First year: 1825
- Last year: 2007
- Observations: 59
- First position angle: 336
- Last position angle: 333
- First separation: 6.4
- Last separation: 6.4
- Mag first component: 7.82
- Mag second component: 8.57
- Spectral type: B9IV
- Primary proper motion RA: -1
- Primary proper motion DEC: -2
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -2
- Durchmusterung: +32 3143
- Notes: D
