18421-5554
- Unique Name: 18421-5554UC 3646
- RA: 18 42 06.95
- Dec: -55 54 25.6
- Discoverer: UC
- Discoverer Number: 3646
- Components:
- First year: 1998
- Last year: 1999
- Observations: 2
- First position angle: 306
- Last position angle: 306
- First separation: 21.9
- Last separation: 21.9
- Mag first component: 13.6
- Mag second component: 15.41
- Spectral type:
- Primary proper motion RA: 10
- Primary proper motion DEC: -81
- Secondary proper motion RA: 13
- Secondary proper motion DEC: -74
- Durchmusterung:
- Notes: V