21196+3948
- Unique Name: 21196+3948SEI1503AB
- RA: 21 19 38.98
- Dec: +39 48 51.9
- Discoverer: SEI
- Discoverer Number: 1503
- Components: AB
- First year: 1895
- Last year: 2002
- Observations: 6
- First position angle: 273
- Last position angle: 277
- First separation: 10.6
- Last separation: 9.8
- Mag first component: 11.18
- Mag second component: 12.3
- Spectral type: F2III
- Primary proper motion RA: 1
- Primary proper motion DEC: -3
- Secondary proper motion RA: 7
- Secondary proper motion DEC: 3
- Durchmusterung: +39 4523
- Notes: NU
