22221+2155
- Unique Name: 22221+2155J 2578
- RA: 22 22 16.47
- Dec: +21 54 01.0
- Discoverer: J
- Discoverer Number: 2578
- Components:
- First year: 1943
- Last year: 2000
- Observations: 6
- First position angle: 357
- Last position angle: 351
- First separation: 1.8
- Last separation: 2.1
- Mag first component: 10.68
- Mag second component: 11.14
- Spectral type:
- Primary proper motion RA: 9
- Primary proper motion DEC: -6
- Secondary proper motion RA: 9
- Secondary proper motion DEC: -6
- Durchmusterung: +21 4735
- Notes: