21300-4459
- Unique Name: 21300-4459UC 4478
- RA: 21 29 58.85
- Dec: -44 59 17.8
- Discoverer: UC
- Discoverer Number: 4478
- Components:
- First year: 1998
- Last year: 1999
- Observations: 2
- First position angle: 265
- Last position angle: 265
- First separation: 11.1
- Last separation: 11.1
- Mag first component: 12.7
- Mag second component: 14.1
- Spectral type:
- Primary proper motion RA: 53
- Primary proper motion DEC: -19
- Secondary proper motion RA: 53
- Secondary proper motion DEC: -23
- Durchmusterung:
- Notes: V
