21293+4512
- Unique Name: 21293+4512ES 100AC
- RA: 21 29 20.76
- Dec: +45 12 58.8
- Discoverer: ES
- Discoverer Number: 100
- Components: AC
- First year: 1909
- Last year: 2013
- Observations: 7
- First position angle: 340
- Last position angle: 331
- First separation: 31.3
- Last separation: 29.9
- Mag first component: 9.92
- Mag second component: 12.65
- Spectral type:
- Primary proper motion RA: 13
- Primary proper motion DEC: 53
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: U