15210+2104
- Unique Name: 15210+2104HU 146
- RA: 15 20 59.63
- Dec: +21 04 06.3
- Discoverer: HU
- Discoverer Number: 146
- Components:
- First year: 1900
- Last year: 2010
- Observations: 57
- First position angle: 172
- Last position angle: 122
- First separation: 0.3
- Last separation: 0.7
- Mag first component: 9.53
- Mag second component: 9.7
- Spectral type: G0
- Primary proper motion RA: -41
- Primary proper motion DEC: 94
- Secondary proper motion RA: -41
- Secondary proper motion DEC: 94
- Durchmusterung: +21 2759
- Notes: