21026+2141
- Unique Name: 21026+2141BU 69AB
- RA: 21 02 36.08
- Dec: +21 41 28.2
- Discoverer: BU
- Discoverer Number: 69
- Components: AB
- First year: 1872
- Last year: 2007
- Observations: 57
- First position angle: 350
- Last position angle: 355
- First separation: 2.0
- Last separation: 0.4
- Mag first component: 8.35
- Mag second component: 9.8
- Spectral type: F0
- Primary proper motion RA: 40
- Primary proper motion DEC: -33
- Secondary proper motion RA: 40
- Secondary proper motion DEC: -33
- Durchmusterung: +21 4445
- Notes: