21152+5117
- Unique Name: 21152+5117HJ 1631
- RA: 21 15 10.89
- Dec: +51 16 54.9
- Discoverer: HJ
- Discoverer Number: 1631
- Components:
- First year: 1828
- Last year: 2004
- Observations: 10
- First position angle: 5
- Last position angle: 17
- First separation: 30.0
- Last separation: 49.5
- Mag first component: 7.11
- Mag second component: 11.97
- Spectral type: K0
- Primary proper motion RA: -5
- Primary proper motion DEC: -5
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -2
- Durchmusterung: +50 3290
- Notes:
