21533+5400
- Unique Name: 21533+5400HDS3115
- RA: 21 53 19.81
- Dec: +53 59 49.8
- Discoverer: HDS
- Discoverer Number: 3115
- Components:
- First year: 1991
- Last year: 1991
- Observations: 2
- First position angle: 75
- Last position angle: 75
- First separation: 1.4
- Last separation: 1.4
- Mag first component: 6.66
- Mag second component: 10.48
- Spectral type: A2
- Primary proper motion RA: -10
- Primary proper motion DEC: -13
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -12
- Durchmusterung: +53 2727
- Notes: