21012+4609
- Unique Name: 21012+4609STT 426
- RA: 21 01 10.93
- Dec: +46 09 20.8
- Discoverer: STT
- Discoverer Number: 426
- Components:
- First year: 1848
- Last year: 2009
- Observations: 19
- First position angle: 166
- Last position angle: 161
- First separation: 2.6
- Last separation: 2.9
- Mag first component: 5.4
- Mag second component: 9.53
- Spectral type: B1Ve
- Primary proper motion RA: 4
- Primary proper motion DEC: 4
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 3
- Durchmusterung: +45 3364
- Notes: N
