21020+0346
- Unique Name: 21020+0346HO 148
- RA: 21 02 02.05
- Dec: +03 45 57.9
- Discoverer: HO
- Discoverer Number: 148
- Components:
- First year: 1884
- Last year: 1991
- Observations: 12
- First position angle: 205
- Last position angle: 202
- First separation: 2.4
- Last separation: 2.3
- Mag first component: 7.95
- Mag second component: 11.43
- Spectral type: F5
- Primary proper motion RA: 10
- Primary proper motion DEC: -13
- Secondary proper motion RA: 10
- Secondary proper motion DEC: -15
- Durchmusterung: +03 4488
- Notes: