[2] Amundsenia is a Mars-crossing asteroid, a member of the dynamically unstable group, located between the main belt and near-Earth populations, and crossing the orbit of Mars at 1.666 AU.
It orbits the Sun in the innermost asteroid belt at a distance of 1.7–3.1 AU once every 3 years and 8 months (1,325 days).
[1] In November 2006, a rotational lightcurve of Amundsenia was obtained from photometric observations by Petr Pravec at Ondřejov Observatory in the Czech Republic.
Lightcurve analysis gave a well-defined rotation period of 7.7594 hours with a brightness amplitude between 0.14 and 0.16 magnitude (U=3).
This minor planet was named after Roald Amundsen (1872–1928), the prolific Norwegian polar explorer of both the Arctic and Antarctic regions.