154 Bertha vs 48 Doris

154 Bertha is a main-belt asteroid discovered in 1875 by the French astronomers Paul Henry and Prosper Henry at the Paris Observatory. It was named Bertha, a feminine given name of Germanic origin. The asteroid belongs to the population of small bodies orbiting between Mars and Jupiter and is classified as a C-type object, a category associated with dark, carbon-rich asteroid material.

48 Doris is a carbonaceous, C-type asteroid in the outer part of the main asteroid belt. Hermann Goldschmidt discovered it in Paris on 19 September 1857, and the object was named for Doris, a sea goddess in Greek mythology. It completes one rotation in about 11.9 hours and has a diameter estimated at roughly 220 kilometers, although physical values depend on the observation set and model used. It...