21331+2751
- Unique Name: 21331+2751UC 4494
- RA: 21 33 05.71
- Dec: +27 51 27.2
- Discoverer: UC
- Discoverer Number: 4494
- Components:
- First year: 1998
- Last year: 2002
- Observations: 3
- First position angle: 263
- Last position angle: 263
- First separation: 27.0
- Last separation: 27.1
- Mag first component: 13.9
- Mag second component: 15.0
- Spectral type:
- Primary proper motion RA: -36
- Primary proper motion DEC: -43
- Secondary proper motion RA: -40
- Secondary proper motion DEC: -30
- Durchmusterung:
- Notes: V
