20599+4016
- Unique Name: 20599+4016COU2431Aa,Ab
- RA: 20 59 55.10
- Dec: +40 15 29.9
- Discoverer: COU
- Discoverer Number: 2431
- Components: Aa,Ab
- First year: 1986
- Last year: 2012
- Observations: 5
- First position angle: 220
- Last position angle: 208
- First separation: 1.5
- Last separation: 2.2
- Mag first component: 6.66
- Mag second component: 10.8
- Spectral type: F8V
- Primary proper motion RA: 231
- Primary proper motion DEC: 212
- Secondary proper motion RA: 232
- Secondary proper motion DEC: 210
- Durchmusterung: +39 4400
- Notes: N