21031-3423
- Unique Name: 21031-3423UC 4366
- RA: 21 03 04.31
- Dec: -34 23 16.3
- Discoverer: UC
- Discoverer Number: 4366
- Components:
- First year: 1998
- Last year: 1999
- Observations: 2
- First position angle: 223
- Last position angle: 225
- First separation: 16.9
- Last separation: 16.7
- Mag first component: 14.8
- Mag second component: 16.1
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -82
- Secondary proper motion RA: 2
- Secondary proper motion DEC: -67
- Durchmusterung:
- Notes: V