21509+3240
- Unique Name: 21509+3240FYM 143CD
- RA: .
- Dec: .
- Discoverer: FYM
- Discoverer Number: 143
- Components: CD
- First year: 2012
- Last year: 2012
- Observations: 1
- First position angle: 91
- Last position angle: 91
- First separation: 47.0
- Last separation: 47.0
- Mag first component: 8.42
- Mag second component: 15.0
- Spectral type:
- Primary proper motion RA: 10
- Primary proper motion DEC: -5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: