04210+5015
- Unique Name: 04210+5015S 445AB
- RA: 04 20 57.50
- Dec: +50 15 17.4
- Discoverer: S
- Discoverer Number: 445
- Components: AB
- First year: 1823
- Last year: 2011
- Observations: 30
- First position angle: 327
- Last position angle: 328
- First separation: 75.2
- Last separation: 71.6
- Mag first component: 7.31
- Mag second component: 8.19
- Spectral type: K2
- Primary proper motion RA: 0
- Primary proper motion DEC: -4
- Secondary proper motion RA: 8
- Secondary proper motion DEC: -21
- Durchmusterung: +49 1162
- Notes: N
