21147+5702
- Unique Name: 21147+5702HJ 1630
- RA: 21 14 38.86
- Dec: +57 02 11.2
- Discoverer: HJ
- Discoverer Number: 1630
- Components:
- First year: 1828
- Last year: 2003
- Observations: 9
- First position angle: 125
- Last position angle: 133
- First separation: 15.0
- Last separation: 17.5
- Mag first component: 10.48
- Mag second component: 11.52
- Spectral type:
- Primary proper motion RA: 19
- Primary proper motion DEC: 0
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -5
- Durchmusterung: +56 2546
- Notes: