21319+3121
- Unique Name: 21319+3121J 1236
- RA: 21 32 01.37
- Dec: +31 20 52.4
- Discoverer: J
- Discoverer Number: 1236
- Components:
- First year: 1915
- Last year: 1996
- Observations: 5
- First position angle: 277
- Last position angle: 292
- First separation: 2.2
- Last separation: 2.1
- Mag first component: 12.48
- Mag second component: 12.39
- Spectral type:
- Primary proper motion RA: 14
- Primary proper motion DEC: -3
- Secondary proper motion RA: 14
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: