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Ophelia (moon)

From Academic Kids

Ophelia
Discovery
Discovered by Voyager 2
Discovered in 1986
Orbital characteristics
Mean radius 53,764 km
Eccentricity 0.0101
Orbital period 0.37641d
Inclination 0.09°
Is a satellite of Uranus
Physical characteristics
Mean diameter 42.8 km
Surface area km2
Mass 5.4×1016 kg
Mean density 1.3 g/cm3
Surface gravity 0.0078m/s2
Rotation period  ?
Axial tilt  ?°
Albedo 0.07
Surface temp.
min mean max
K K K
Atmospheric pressure 0 kPa

Ophelia (oe-fee'-lee-a) is a moon of Uranus. It was named after the daughter of Polonius in William Shakespeare's play Hamlet. Ophelia acts as the outer shepherd satellite for Uranus' epsilon ring. Its orbit is within Uranus' synchronous orbit radius, and is therefore slowly decaying due to tidal forces.

It was discovered from the images taken by Voyager 2 on January 20, 1986, and was given the temporary designation S/1986 U 8. It is also designated Uranus VII.

There is also an asteroid called 171 Ophelia.


Uranus' natural satellites

edit  (http://footwww.academickids.com/encyclopedia/index.php?title=Template:Uranus_Footer&action=edit)

Cordelia | Ophelia | Bianca | Cressida | Desdemona | Juliet | Portia | Rosalind | S/2003 U 2 | Belinda
S/1986 U 10 | Puck | S/2003 U 1 | Miranda | Ariel | Umbriel | Titania | Oberon | S/2001 U 3
Caliban | Stephano | Trinculo | Sycorax | S/2003 U 3 | Prospero | Setebos | S/2001 U 2
de:Ophelia (Mond)

fr:Ophlie (lune) he:אופליה (ירח) nl:Ophelia (maan) nn:Uranusmnen Ophelia pl:Ofelia (księżyc) sk:Ophelia (mesiac) sv:Ophelia zh:天卫七

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