(53) Calypso

Asteroid (53) Calypso
Properties of the orbit ( animation )
Orbit type	Middle main belt
Major semi-axis	2,618 AU
eccentricity	0.205
Perihelion - aphelion	2.081 AU - 3.155 AU
Inclination of the orbit plane	5.2 °
Length of the ascending node	143.6 °
Argument of the periapsis	313.5 °
Time of passage of the perihelion	July 24, 2018
Sidereal period	4 a 86 d
Mean orbital velocity	18.2 km / s
Physical Properties
Medium diameter	approx. 91 km
Albedo	0.031
Rotation period	9 h 2 min
Absolute brightness	8.81 likes
Spectral class	XC
history
Explorer	Karl Theodor Robert Luther
Date of discovery	April 4, 1858
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.

(53) Calypso is an asteroid of the central main belt , which was discovered on April 4, 1858 by the German astronomer Karl Theodor Robert Luther .

The celestial body was named after Calypso , a figure from the Odyssey .

See also