20136+2021
- Unique Name: 20136+2021BU 1484
- RA: 20 13 34.93
- Dec: +20 20 37.4
- Discoverer: BU
- Discoverer Number: 1484
- Components:
- First year: 1894
- Last year: 2001
- Observations: 6
- First position angle: 325
- Last position angle: 324
- First separation: 23.4
- Last separation: 23.5
- Mag first component: 9.45
- Mag second component: 10.6
- Spectral type: B8
- Primary proper motion RA: 4
- Primary proper motion DEC: 1
- Secondary proper motion RA: -1
- Secondary proper motion DEC: 4
- Durchmusterung: +19 4327
- Notes: