170 Maria - Definition and Overview

**170 Maria**
Orbital characteristics ^{1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)}
Orbit type	Main belt (Maria)
Semimajor axis	2.553 AU
Perihelion distance	2.388 AU
Aphelion distance	2.718 AU
Orbital period	4.08 years
Inclination	14.40°
Eccentricity	0.065
Physical characteristics ^{1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)}
Diameter	44.3 km
Rotation period	13.14 hours
Spectral class	S
Abs. magnitude	9.39
Albedo ^{4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html)}	0.158
History ^{2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)}
Discoverer	J. Perrotin, 1877

170 Maria is a bright-colored Main belt asteroid. It is probably a mixture silicate rocks and metallic iron-nickel.

The Maria asteroid family is named after it.

It was discovered by J. Perrotin on January 10, 1877. It orbit was computed by Antonio Abetti, and the asteroid was named after his sister, Maria.

An occultation of a star by Maria was observed from Manitoba, Canada on June 10, 1997.

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