21190+5039
- Unique Name: 21190+5039ES 1004
- RA: 21 18 57.66
- Dec: +50 39 17.4
- Discoverer: ES
- Discoverer Number: 1004
- Components:
- First year: 1910
- Last year: 2012
- Observations: 4
- First position angle: 219
- Last position angle: 221
- First separation: 7.1
- Last separation: 7.4
- Mag first component: 9.28
- Mag second component: 11.8
- Spectral type: K2
- Primary proper motion RA: -4
- Primary proper motion DEC: -9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +50 3309
- Notes: