21331+2958
- Unique Name: 21331+2958J 3141AB
- RA: 21 33 06.28
- Dec: +29 57 12.1
- Discoverer: J
- Discoverer Number: 3141
- Components: AB
- First year: 1944
- Last year: 2007
- Observations: 3
- First position angle: 330
- Last position angle: 314
- First separation: 4.0
- Last separation: 6.7
- Mag first component: 12.2
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: 27
- Primary proper motion DEC: -64
- Secondary proper motion RA: -47
- Secondary proper motion DEC: 19
- Durchmusterung:
- Notes: