21215+3719
- Unique Name: 21215+3719ROE 24AD
- RA: 21 21 33.43
- Dec: +37 17 51.8
- Discoverer: ROE
- Discoverer Number: 24
- Components: AD
- First year: 1909
- Last year: 2002
- Observations: 7
- First position angle: 267
- Last position angle: 266
- First separation: 80.9
- Last separation: 81.6
- Mag first component: 11.98
- Mag second component: 11.82
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -20
- Secondary proper motion RA: -17
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes: