21215+1924
- Unique Name: 21215+1924J 3316
- RA: 21 21 32.29
- Dec: +19 23 51.5
- Discoverer: J
- Discoverer Number: 3316
- Components:
- First year: 1956
- Last year: 2000
- Observations: 2
- First position angle: 161
- Last position angle: 165
- First separation: 4.6
- Last separation: 6.0
- Mag first component: 9.68
- Mag second component: 13.8
- Spectral type: K0
- Primary proper motion RA: -13
- Primary proper motion DEC: -10
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +18 4763
- Notes: