21511+1022
- Unique Name: 21511+1022HEI 599AC
- RA: 21 51 07.44
- Dec: +10 22 04.8
- Discoverer: HEI
- Discoverer Number: 599
- Components: AC
- First year: 1988
- Last year: 1996
- Observations: 7
- First position angle: 84
- Last position angle: 76
- First separation: 0.1
- Last separation: 0.2
- Mag first component: 8.83
- Mag second component: 8.62
- Spectral type: F5
- Primary proper motion RA: -16
- Primary proper motion DEC: -66
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: