21143+3418
- Unique Name: 21143+3418STTA216
- RA: 21 14 19.79
- Dec: +34 17 39.6
- Discoverer: STT
- Discoverer Number: 0
- Components:
- First year: 1875
- Last year: 2013
- Observations: 24
- First position angle: 47
- Last position angle: 47
- First separation: 101.9
- Last separation: 101.9
- Mag first component: 7.35
- Mag second component: 8.09
- Spectral type: B8
- Primary proper motion RA: -4
- Primary proper motion DEC: -7
- Secondary proper motion RA: 2
- Secondary proper motion DEC: -6
- Durchmusterung: +33 4203
- Notes: N
