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hor_green_bar1.jpg Ophelia hor_green_bar1.jpg


Ophelia - copyright Calvin J. HamiltonDiscovered through the analysis of Voyager 2 photographs in 1986, Ophelia is the second innermost known satellite of Uranus and is a shepherd satellite (for the Epsilon ring) much like Cordelia (the innermost moon). Ophelia was named after daughter of Polonius in Shakespeare's tragic play Hamlet.



PHYSICAL DATA FOR OPHELIA
 Mass (kg)
 Mass (Earth = 1)
 Radius (km) 16
 Radius (Earth = 1) 2.5086e - 03
 Mean Density (g/cm3)
 Mean Distance from Uranus (km) 53,760
 Magnitude (V0) 23.8



ORBITAL DATA FOR OPHELIA
 Rotational period (days)
 Orbital period (days) 0.376409
 Mean orbital velocity (km/s) 10.39
 Orbital eccentricity 0.001
 Orbital inclination (degrees) 0.09
 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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