21077+3022
- Unique Name: 21077+3022UC 256
- RA: 21 07 40.74
- Dec: +30 22 11.7
- Discoverer: UC
- Discoverer Number: 256
- Components:
- First year: 1894
- Last year: 2011
- Observations: 8
- First position angle: 68
- Last position angle: 67
- First separation: 46.7
- Last separation: 48.0
- Mag first component: 8.79
- Mag second component: 11.1
- Spectral type: G0V
- Primary proper motion RA: -7
- Primary proper motion DEC: -70
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -69
- Durchmusterung:
- Notes: V