21087+5148
- Unique Name: 21087+5148ES 1003
- RA: 21 08 44.45
- Dec: +51 47 58.3
- Discoverer: ES
- Discoverer Number: 1003
- Components:
- First year: 1910
- Last year: 2003
- Observations: 4
- First position angle: 150
- Last position angle: 153
- First separation: 6.6
- Last separation: 7.2
- Mag first component: 9.48
- Mag second component: 11.7
- Spectral type: K0
- Primary proper motion RA: -11
- Primary proper motion DEC: -18
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +51 3000
- Notes: