21355+3012
- Unique Name: 21355+3012UC 4502
- RA: 21 35 30.21
- Dec: +30 12 00.0
- Discoverer: UC
- Discoverer Number: 4502
- Components:
- First year: 1998
- Last year: 2002
- Observations: 2
- First position angle: 264
- Last position angle: 264
- First separation: 45.8
- Last separation: 46.0
- Mag first component: 14.25
- Mag second component: 13.98
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: 91
- Secondary proper motion RA: 5
- Secondary proper motion DEC: 53
- Durchmusterung:
- Notes: V
