173 Ino

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173 Ino

Orbital characteristics 1
Orbit type	Main belt
Semimajor axis	2.742 AU
Perihelion distance	2.171 AU
Aphelion distance	3.314 AU
Orbital period	4.54 years
Inclination	14.21°
Eccentricity	0.208
Physical characteristics 1
Diameter	154.1 km
Rotation period	6.163 hours
Spectral class	C
Abs. magnitude	7.66
Albedo 4	0.064
History 2
Discoverer	A. Borrelly, 1877

173 Ino is a large main belt asteroid. It has a dark surface and primitive carbonaceous composition.

It was discovered by Alphonse Borrelly on August 1, 1877 and named after Ino, a queen in Greek mythology.

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