21555+7358
- Unique Name: 21555+7358UC 4599BC
- RA: 21 55 18.49
- Dec: +73 58 22.9
- Discoverer: UC
- Discoverer Number: 4599
- Components: BC
- First year: 1999
- Last year: 2003
- Observations: 2
- First position angle: 305
- Last position angle: 305
- First separation: 42.3
- Last separation: 42.2
- Mag first component: 16.1
- Mag second component: 16.0
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: 102
- Secondary proper motion RA: 3
- Secondary proper motion DEC: 92
- Durchmusterung:
- Notes: V