21555+5232
- Unique Name: 21555+5232STT 456CD
- RA: 21 55 28.78
- Dec: +52 31 50.1
- Discoverer: STT
- Discoverer Number: 456
- Components: CD
- First year: 1881
- Last year: 2010
- Observations: 13
- First position angle: 136
- Last position angle: 148
- First separation: 46.5
- Last separation: 41.0
- Mag first component: 10.55
- Mag second component: 10.96
- Spectral type:
- Primary proper motion RA: 83
- Primary proper motion DEC: 14
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: L