Discovered by Pelageya Shajn at Simeiz in 1928, it was named after American astronomer Annie Jump Cannon.
[2] Cannonia was discovered on 11 September 1928, by Russian astronomer Pelageya Shajn at the Simeiz Observatory on the Crimean peninsula.
[3][4][13]: 23 It orbits the Sun in the inner main-belt at a distance of 1.9–2.6 AU once every 3 years and 4 months (1,205 days).
Lightcurve analysis gave a well-defined rotation period of 3.816 hours with a brightness amplitude of 0.16 magnitude (U=3).
[3] This minor planet was named after American astronomer Annie Jump Cannon (1863–1941), who developed a taxonomic system of stellar spectral types at Harvard University, and subsequently classified about 225,000 stars with these types for the Henry Draper Catalog.