21145+0441
- Unique Name: 21145+0441BU 682AC
- RA: 21 14 30.98
- Dec: +04 41 22.9
- Discoverer: BU
- Discoverer Number: 682
- Components: AC
- First year: 1908
- Last year: 2012
- Observations: 9
- First position angle: 176
- Last position angle: 179
- First separation: 91.6
- Last separation: 92.8
- Mag first component: 7.69
- Mag second component: 10.37
- Spectral type: K4III
- Primary proper motion RA: 26
- Primary proper motion DEC: -8
- Secondary proper motion RA: -34
- Secondary proper motion DEC: -26
- Durchmusterung:
- Notes: