[1] By 1939, Vinter Hansen was the First Astronomer at the Observatory of the University of Copenhagen, widely known for her accurate computation of orbits of minor planets and comets.

In that 1939 she received the Tagea Brandt Rejselegat (travel award), given to women that have made big contributions on arts or science.

She was awarded a Martin Kellogg Fellowship at the University of California which allowed her to work for a time in the United States.

Vinter Hansen was appointed Knight of the Order of the Dannebrog in 1956[2] and continued her career at the University of Copenhagen until 1960.

Julie Vinter Hansen died in 1960, from a heart-failure just days before her retirement, in her beloved vacation destination, the Swiss mountain village of Mürren, and was buried in Copenhagen.