21563-5921
- Unique Name: 21563-5921HJ 5300AB
- RA: 21 56 20.23
- Dec: -59 21 03.9
- Discoverer: HJ
- Discoverer Number: 5300
- Components: AB
- First year: 1834
- Last year: 2000
- Observations: 10
- First position angle: 7
- Last position angle: 16
- First separation: 30.0
- Last separation: 22.9
- Mag first component: 8.47
- Mag second component: 11.66
- Spectral type: G0V
- Primary proper motion RA: -16
- Primary proper motion DEC: -5
- Secondary proper motion RA: 7
- Secondary proper motion DEC: -29
- Durchmusterung: -59 7742
- Notes: