(46) Hestia

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Asteroid
(46) Hestia
Properties of the orbit ( animation )
Orbit type Main belt asteroid
Major semi-axis 2.526  AU
eccentricity 0.173
Perihelion - aphelion 2.088 AU - 2.964 AU
Inclination of the orbit plane 2.3 °
Length of the ascending node 181.1 °
Argument of the periapsis 176.6 °
Time of passage of the perihelion July 2, 2010
Sidereal period 4 a 5 d
Mean orbital velocity 18.6 km / s
Physical Properties
Medium diameter 124 km
Albedo 0.05
Rotation period 21.0 h
Absolute brightness 8.4 mag
Spectral class P
history
Explorer Norman Robert Pogson
Date of discovery August 16, 1857
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.

(46) Hestia is an asteroid of the main asteroid belt discovered by Norman Robert Pogson on August 16, 1857 .

The asteroid was named after Hestia, a goddess in Greek mythology who corresponds to the Roman goddess Vesta . (4) Vesta was named after the Roman goddess .

Hestia has a diameter of 124 km. It has a dark surface with an albedo of 0.05, which is composed of silicates and carbon . It rotates on its own axis in around 21 hours.

The Hestia gap is named after this planetoid .

See also