03009+5221
- Unique Name: 03009+5221STF 331
- RA: 03 00 52.18
- Dec: +52 21 06.5
- Discoverer: STF
- Discoverer Number: 331
- Components:
- First year: 1793
- Last year: 2012
- Observations: 70
- First position angle: 90
- Last position angle: 85
- First separation: 14.1
- Last separation: 11.9
- Mag first component: 5.21
- Mag second component: 6.17
- Spectral type: B7V B9V
- Primary proper motion RA: 31
- Primary proper motion DEC: -22
- Secondary proper motion RA: 32
- Secondary proper motion DEC: -21
- Durchmusterung: +51 665
- Notes: N D
