21017+1017
- Unique Name: 21017+1017HJ 5546
- RA: 21 01 42.43
- Dec: +10 16 56.0
- Discoverer: HJ
- Discoverer Number: 5546
- Components:
- First year: 1828
- Last year: 2013
- Observations: 4
- First position angle: 119
- Last position angle: 124
- First separation: 12.0
- Last separation: 18.1
- Mag first component: 10.7
- Mag second component: 11.7
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: 2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +09 4699
- Notes: