21257+7233
- Unique Name: 21257+7233HJ 3035AC
- RA: 21 25 41.07
- Dec: +72 32 57.3
- Discoverer: HJ
- Discoverer Number: 3035
- Components: AC
- First year: 1831
- Last year: 2003
- Observations: 5
- First position angle: 199
- Last position angle: 203
- First separation: 25.0
- Last separation: 24.1
- Mag first component: 10.32
- Mag second component: 12.8
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: -11
- Secondary proper motion RA: -10
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: