170 Maria is a Main belt asteroid that was discovered by French astronomer Henri Joseph Perrotin on January 10 1877. Its orbit was computed by Antonio Abetti and the asteroid was named after his sister Maria. This is the namesake of the Maria asteroid family; one of the first asteroid families to be identified by Japanese astronomer Kiyotsugu Hirayama in 1918.In the Tholen classification system this is categorized as a stony S-type asteroid.
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