10199-2121
- Unique Name: 10199-2121HLD 102
- RA: 10 19 55.79
- Dec: -21 20 50.1
- Discoverer: HLD
- Discoverer Number: 102
- Components:
- First year: 1882
- Last year: 1991
- Observations: 13
- First position angle: 170
- Last position angle: 172
- First separation: 2.0
- Last separation: 1.6
- Mag first component: 9.93
- Mag second component: 10.5
- Spectral type: G0/1V
- Primary proper motion RA: -37
- Primary proper motion DEC: -2
- Secondary proper motion RA: -37
- Secondary proper motion DEC: -2
- Durchmusterung: -20 3148
- Notes: