21399+5039
- Unique Name: 21399+5039ES 1103
- RA: 21 39 53.19
- Dec: +50 39 56.4
- Discoverer: ES
- Discoverer Number: 1103
- Components:
- First year: 1911
- Last year: 2003
- Observations: 3
- First position angle: 241
- Last position angle: 240
- First separation: 6.1
- Last separation: 6.6
- Mag first component: 10.31
- Mag second component: 13.5
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: 0
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +50 3399
- Notes: