21563-5921
- Unique Name: 21563-5921HJ 5300BC
- RA: 21 56 22.01
- Dec: -59 20 42.3
- Discoverer: HJ
- Discoverer Number: 5300
- Components: BC
- First year: 1834
- Last year: 2000
- Observations: 4
- First position angle: 273
- Last position angle: 272
- First separation: 2.5
- Last separation: 7.2
- Mag first component: 11.66
- Mag second component: 12.7
- Spectral type:
- Primary proper motion RA: 48
- Primary proper motion DEC: -42
- Secondary proper motion RA: 7
- Secondary proper motion DEC: -29
- Durchmusterung: -59 7743
- Notes: