21045+7046
- Unique Name: 21045+7046STF2771
- RA: 21 04 28.70
- Dec: +70 45 49.9
- Discoverer: STF
- Discoverer Number: 2771
- Components:
- First year: 1831
- Last year: 2010
- Observations: 33
- First position angle: 31
- Last position angle: 34
- First separation: 2.5
- Last separation: 2.6
- Mag first component: 9.53
- Mag second component: 9.61
- Spectral type: K2
- Primary proper motion RA: 83
- Primary proper motion DEC: -1
- Secondary proper motion RA: 105
- Secondary proper motion DEC: 24
- Durchmusterung: +70 1161
- Notes: