21559-3719
- Unique Name: 21559-3719UC 4600
- RA: 21 55 53.18
- Dec: -37 18 44.4
- Discoverer: UC
- Discoverer Number: 4600
- Components:
- First year: 1998
- Last year: 1999
- Observations: 2
- First position angle: 202
- Last position angle: 202
- First separation: 31.3
- Last separation: 31.5
- Mag first component: 12.1
- Mag second component: 16.2
- Spectral type:
- Primary proper motion RA: 30
- Primary proper motion DEC: -52
- Secondary proper motion RA: 26
- Secondary proper motion DEC: -48
- Durchmusterung:
- Notes: V