21021+1016
- Unique Name: 21021+1016J 158
- RA: 21 02 08.86
- Dec: +10 17 33.4
- Discoverer: J
- Discoverer Number: 158
- Components:
- First year: 1910
- Last year: 2000
- Observations: 7
- First position angle: 167
- Last position angle: 166
- First separation: 3.8
- Last separation: 5.0
- Mag first component: 10.93
- Mag second component: 13.1
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: 1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: