1001 Gaussia is a main-belt asteroid orbiting the Sun. Initially it received the designation 1923 OA. Later it was named after the mathematician Carl F. Gauss. It has a mean visual magnitude of 9.77. Observation of the change in magnitude of this minor planet suggests it has a rotation period of 9.127 ± 0.002 h. Over this period it undergoes variation in magnitude of 0.16.
^Bonzo, Dimitrij; Carbognani, Albino (July 2010), "Lightcurves and Periods for Asteroids 1001 Gaussia, 1060 Magnolia, 1750 Eckert, 2888 Hodgson, and 3534 Sax", Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers37 (3): 93–95, Bibcode:2010MPBu...37...93B