21417+5026
- Unique Name: 21417+5026HJ 1684
- RA: 21 41 44.01
- Dec: +50 26 18.8
- Discoverer: HJ
- Discoverer Number: 1684
- Components:
- First year: 1828
- Last year: 2011
- Observations: 8
- First position angle: 320
- Last position angle: 319
- First separation: 8.0
- Last separation: 10.9
- Mag first component: 9.35
- Mag second component: 10.6
- Spectral type: B8
- Primary proper motion RA: -8
- Primary proper motion DEC: -6
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -3
- Durchmusterung: +49 3594
- Notes: