21376+0643
- Unique Name: 21376+0643STT 443AB
- RA: 21 37 37.05
- Dec: +06 42 36.1
- Discoverer: STT
- Discoverer Number: 443
- Components: AB
- First year: 1830
- Last year: 2012
- Observations: 48
- First position angle: 353
- Last position angle: 349
- First separation: 8.7
- Last separation: 8.0
- Mag first component: 9.47
- Mag second component: 9.67
- Spectral type: K2
- Primary proper motion RA: 10
- Primary proper motion DEC: -12
- Secondary proper motion RA: 11
- Secondary proper motion DEC: -7
- Durchmusterung: +06 4867
- Notes: N D
