Portia
Uranus XII - 1986U1
Portia was named after a rich heiress in Shakespeare's play
Merchant of Venice. It is the seventh known satellite of
Uranus and was discovered by Voyager 2.
| Portia Statistics
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| Discovered by | Voyager 2
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| Date of discovery | 1986
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| Mass (kg) | ?
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| Equatorial radius (km) | 55
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| Equatorial radius (Earth = 1) | 8.6234e-03
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| Mean density (gm/cm^3) | ?
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| Mean distance from Uranus (km) | 66,100
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| Rotational period (days) | ?
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| Orbital period (days) | 0.513196
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| Mean orbital velocity (km/sec) | 9.37
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| Orbital eccentricity | 0.000
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| Orbital inclination (degrees) | 0.09
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| Visual geometric albedo | 0.07
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| Magnitude (Vo) | 21.0
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Uranus
Juliet
Rosalind
Copyright © 1997 by Calvin J. Hamilton.
All rights reserved.