21036+5358
- Unique Name: 21036+5358ES 2704AB
- RA: 21 03 38.86
- Dec: +53 57 50.2
- Discoverer: ES
- Discoverer Number: 2704
- Components: AB
- First year: 1902
- Last year: 2013
- Observations: 17
- First position angle: 98
- Last position angle: 97
- First separation: 55.7
- Last separation: 54.4
- Mag first component: 8.56
- Mag second component: 8.91
- Spectral type: A2
- Primary proper motion RA: -3
- Primary proper motion DEC: -13
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -7
- Durchmusterung: +53 2540
- Notes: N
