21029+2711
- Unique Name: 21029+2711J 1223AC
- RA: 21 02 36.35
- Dec: +27 11 06.5
- Discoverer: J
- Discoverer Number: 1223
- Components: AC
- First year: 1915
- Last year: 2002
- Observations: 4
- First position angle: 140
- Last position angle: 134
- First separation: 20.0
- Last separation: 21.9
- Mag first component: 9.4
- Mag second component: 14.5
- Spectral type:
- Primary proper motion RA: 19
- Primary proper motion DEC: -14
- Secondary proper motion RA: 7
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: