18315-2138
- Unique Name: 18315-2138ARA1540
- RA: 18 31 29.97
- Dec: -21 37 37.8
- Discoverer: ARA
- Discoverer Number: 1540
- Components:
- First year: 1922
- Last year: 1999
- Observations: 3
- First position angle: 350
- Last position angle: 10
- First separation: 13.4
- Last separation: 14.7
- Mag first component: 13.6
- Mag second component: 13.9
- Spectral type:
- Primary proper motion RA:
- Primary proper motion DEC:
- Secondary proper motion RA: -16
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: