21405+5636
- Unique Name: 21405+5636CON 41CD
- RA: 21 40 28.98
- Dec: +56 35 55.7
- Discoverer: CON
- Discoverer Number: 41
- Components: CD
- First year: 2003
- Last year: 2003
- Observations: 1
- First position angle: 48
- Last position angle: 48
- First separation: 2.5
- Last separation: 2.5
- Mag first component: 12.8
- Mag second component: 0.0
- Spectral type:
- Primary proper motion RA:
- Primary proper motion DEC:
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: K
