21240+2236
- Unique Name: 21240+2236KU 60
- RA: 21 23 57.66
- Dec: +22 36 03.2
- Discoverer: KU
- Discoverer Number: 60
- Components:
- First year: 1892
- Last year: 2011
- Observations: 12
- First position angle: 228
- Last position angle: 228
- First separation: 7.1
- Last separation: 7.1
- Mag first component: 10.8
- Mag second component: 10.9
- Spectral type: G0
- Primary proper motion RA: -11
- Primary proper motion DEC: -29
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -24
- Durchmusterung: +21 4538
- Notes: