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hor_green_bar1.jpg Creeida hor_green_bar1.jpg


Cressida - copyright Calving J. HamiltonDiscovered hrough the analysis of Voyager 2 photographs in 1986, Cressida is the fourth known satellite of Uranus and was named after daughter of Calchas in Shakespeare's play Troilus nd Cressida.



PHYSICAL DATA FOR CRESSIDA
 Mass (kg)
 Mass (Earth = 1)
 Radius (km) 33
 Radius (Earth = 1) 5.1740e - 03
 Mean Density (g/cm3)
 Mean Distance from Uranus(km) 61,770
 Magnitude (V0) 22.2

 

ORBITAL DATA FOR CRESSIDA
 Rotational period (days)
 Orbital period (days) 0.463570
 Mean orbital velocity (km/s) 9.70
 Orbital eccentricity 0.000
 Orbital inclination (degrees) 0.004
 Escape (km/s)
 Albedo 0.07

 

Physical Data Key
Mass Mass
Mass Mass compared to that of Earth.
Radius Radius
Radius Radius compared to that of Earth.
Mean Density Average Density.
Distance Distance to the planet's center.
Magnitude The brightness of a star or object.
Orbital Data Key
Rotational Period Number of days to make one complete rotation.
Orbital Period Number of days to obital the planet.
Mean Orbital Velocity Average obital speed.
Orbital Eccentricity Eccentricity.
Orbital Inclination The tilt of the moon or planet.
Escape Escape Velocity.
Albedo Visual geometric albedo.




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