21090-4126
- Unique Name: 21090-4126UC 4390
- RA: 21 08 58.78
- Dec: -41 26 17.5
- Discoverer: UC
- Discoverer Number: 4390
- Components:
- First year: 1998
- Last year: 1999
- Observations: 2
- First position angle: 218
- Last position angle: 217
- First separation: 35.3
- Last separation: 35.3
- Mag first component: 15.5
- Mag second component: 16.0
- Spectral type:
- Primary proper motion RA: 43
- Primary proper motion DEC: -38
- Secondary proper motion RA: 46
- Secondary proper motion DEC: -38
- Durchmusterung:
- Notes: V