21147-2309
- Unique Name: 21147-2309UC 4421
- RA: 21 14 43.59
- Dec: -23 09 01.0
- Discoverer: UC
- Discoverer Number: 4421
- Components:
- First year: 1999
- Last year: 1999
- Observations: 2
- First position angle: 296
- Last position angle: 296
- First separation: 75.7
- Last separation: 75.6
- Mag first component: 15.8
- Mag second component: 16.2
- Spectral type:
- Primary proper motion RA: 84
- Primary proper motion DEC: -59
- Secondary proper motion RA: 91
- Secondary proper motion DEC: -41
- Durchmusterung:
- Notes: V