21185+5505
- Unique Name: 21185+5505ES 2707
- RA: 21 18 30.31
- Dec: +55 05 07.4
- Discoverer: ES
- Discoverer Number: 2707
- Components:
- First year: 1910
- Last year: 2003
- Observations: 3
- First position angle: 338
- Last position angle: 348
- First separation: 9.0
- Last separation: 10.1
- Mag first component: 8.68
- Mag second component: 12.7
- Spectral type: A2
- Primary proper motion RA: -12
- Primary proper motion DEC: -20
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +54 2512
- Notes: