173 Ino

from Wikipedia, the free encyclopedia
Asteroid
(173) Ino
Properties of the orbit ( animation )
Orbit type Middle main belt
Asteroid family Eunomia family
Major semi-axis 2.743  AU
eccentricity 0.207
Perihelion - aphelion 2.176 AU - 3.31 AU
Inclination of the orbit plane 14.2 °
Length of the ascending node 148.3 °
Argument of the periapsis 227.7 °
Time of passage of the perihelion October 12, 2009
Sidereal period 4 a 198 d
Mean orbital velocity 17.8 km / s
Physical Properties
Medium diameter 154.10 (± 3.1) km
Albedo 0.0642
Rotation period 6 h 10 min
Absolute brightness 7.66 likes
Spectral class C.
history
Explorer A. Borrelly
Date of discovery August 1, 1877
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(173) Ino is an asteroid of the main asteroid belt discovered by Alphonse Louis Nicolas Borrelly on August 1, 1877 . The celestial body was named after Ino , the Greek mythology after the daughter of Kadmos and Harmonia . Ino helped Odysseus with her veil.

Ino moves at a distance of 2.1709 ( perihelion ) to 3.3138 ( aphelion ) astronomical units in 4.541 years around the sun . The orbit is inclined 14.2069 ° to the ecliptic , the orbital eccentricity is 0.2084. Ino has a mean diameter of just over 150 kilometers. It has a dark carbonaceous surface with an albedo of 0.064.
It rotates around its own axis in around 6 hours and 12 minutes.

See also