21519+4221
- Unique Name: 21519+4221JOD 22BF
- RA: 21 51 53.87
- Dec: +42 20 39.1
- Discoverer: JOD
- Discoverer Number: 22
- Components: BF
- First year: 2008
- Last year: 2008
- Observations: 1
- First position angle: 48
- Last position angle: 48
- First separation: 2.1
- Last separation: 2.1
- Mag first component: 11.25
- Mag second component: 17.5
- Spectral type: M0
- Primary proper motion RA: -175
- Primary proper motion DEC: -306
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: