20157+5316
- Unique Name: 20157+5316MMA 20
- RA: 20 15 41.62
- Dec: +53 15 48.1
- Discoverer: MMA
- Discoverer Number: 20
- Components:
- First year: 2003
- Last year: 2003
- Observations: 2
- First position angle: 245
- Last position angle: 245
- First separation: 11.0
- Last separation: 11.1
- Mag first component: 16.0
- Mag second component: 16.0
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: -3
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -8
- Durchmusterung:
- Notes: