21099-1716
- Unique Name: 21099-1716HU 366
- RA: 21 09 56.87
- Dec: -17 15 33.8
- Discoverer: HU
- Discoverer Number: 366
- Components:
- First year: 1901
- Last year: 1991
- Observations: 11
- First position angle: 279
- Last position angle: 236
- First separation: 0.3
- Last separation: 0.4
- Mag first component: 10.31
- Mag second component: 10.34
- Spectral type: F5V
- Primary proper motion RA: 16
- Primary proper motion DEC: 13
- Secondary proper motion RA: 16
- Secondary proper motion DEC: 13
- Durchmusterung: -17 6195
- Notes: