21506+2216
- Unique Name: 21506+2216HO 467AB
- RA: 21 50 37.14
- Dec: +22 15 31.0
- Discoverer: HO
- Discoverer Number: 467
- Components: AB
- First year: 1893
- Last year: 2010
- Observations: 32
- First position angle: 182
- Last position angle: 221
- First separation: 1.0
- Last separation: 2.6
- Mag first component: 8.1
- Mag second component: 10.3
- Spectral type: K2
- Primary proper motion RA: 12
- Primary proper motion DEC: -23
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +21 4630
- Notes:
