9919 Undset
Encyclopedia
9919 Undset is a main belt asteroid. It orbit
Orbit
In physics, an orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the center of a star system, such as the Solar System...

s the Sun
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...

 once every 3.67 years.

Discovered on August 22, 1979 by Claes-Ingvar Lagerkvist
Claes-Ingvar Lagerkvist
Claes-Ingvar Lagerkvist is a Swedish astronomer at the Uppsala Astronomical Observatory. He is known for his work on the shapes and spin properties of minor planets....

 at the European Southern Observatory
European Southern Observatory
The European Southern Observatory is an intergovernmental research organisation for astronomy, supported by fifteen countries...

, it was given the provisional designation "". It was later renamed "Undset" after Sigrid Undset
Sigrid Undset
Sigrid Undset was a Norwegian novelist who was awarded the Nobel Prize for Literature in 1928.-Biography:Undset was born in Kalundborg, Denmark, but her family moved to Norway when she was two years old. In 1924, she converted to Catholicism and became a lay Dominican...

, winner of the 1928 Nobel Prize for Literature.
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