21099-1904
- Unique Name: 21099-1904UC 4394
- RA: 21 09 56.52
- Dec: -19 04 02.2
- Discoverer: UC
- Discoverer Number: 4394
- Components:
- First year: 1998
- Last year: 1999
- Observations: 2
- First position angle: 236
- Last position angle: 236
- First separation: 46.6
- Last separation: 46.6
- Mag first component: 14.21
- Mag second component: 14.56
- Spectral type:
- Primary proper motion RA: 9
- Primary proper motion DEC: -84
- Secondary proper motion RA: 7
- Secondary proper motion DEC: -84
- Durchmusterung:
- Notes: V