21013+3846
- Unique Name: 21013+3846ES 2057
- RA: 21 01 27.49
- Dec: +38 46 14.3
- Discoverer: ES
- Discoverer Number: 2057
- Components:
- First year: 1923
- Last year: 2007
- Observations: 6
- First position angle: 254
- Last position angle: 261
- First separation: 4.4
- Last separation: 5.0
- Mag first component: 10.3
- Mag second component: 12.1
- Spectral type:
- Primary proper motion RA: 5
- Primary proper motion DEC: -5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +38 4315
- Notes: