21199+3948
- Unique Name: 21199+3948SEI1507
- RA: 21 19 57.17
- Dec: +39 48 41.1
- Discoverer: SEI
- Discoverer Number: 1507
- Components:
- First year: 1895
- Last year: 2002
- Observations: 5
- First position angle: 148
- Last position angle: 147
- First separation: 11.0
- Last separation: 11.5
- Mag first component: 11.32
- Mag second component: 11.62
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -2
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: N
