21331+2958
- Unique Name: 21331+2958LOS 5BC
- RA: 21 33 05.90
- Dec: +29 57 16.8
- Discoverer: LOS
- Discoverer Number: 5
- Components: BC
- First year: 1998
- Last year: 2007
- Observations: 3
- First position angle: 71
- Last position angle: 69
- First separation: 4.0
- Last separation: 4.2
- Mag first component: 12.2
- Mag second component: 12.9
- Spectral type:
- Primary proper motion RA: -47
- Primary proper motion DEC: 19
- Secondary proper motion RA: 7
- Secondary proper motion DEC: 48
- Durchmusterung:
- Notes: