20239+1217
- Unique Name: 20239+1217GRV 337
- RA: 20 23 57.50
- Dec: +12 17 58.9
- Discoverer: GRV
- Discoverer Number: 337
- Components:
- First year: 1999
- Last year: 2001
- Observations: 3
- First position angle: 171
- Last position angle: 170
- First separation: 62.5
- Last separation: 62.5
- Mag first component: 9.5
- Mag second component: 13.3
- Spectral type:
- Primary proper motion RA: -15
- Primary proper motion DEC: -17
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -28
- Durchmusterung: +11 4249
- Notes: