Belinda (moon)

Belinda
	Belinda viewed by Voyager 2 in 1986
Discovery
Discovered by	Stephen P. Synnott / Voyager 2
Discovery date	January 13, 1986
Orbital characteristics
Mean orbit radius	75,255.613 ± 0.057 km
Eccentricity	0.00007 ± 0.000073
Orbital period	0.623527470 ± 0.000000017 d
Inclination	0.03063 ± 0.028° (to Uranus' equator)
Satellite of	Uranus
Physical characteristics
Dimensions	128 × 64 × 64 km
Mean radius	40.3 ± 8 km
Surface area	~25,000 km²
Volume	~380,000 km³
Mass	~3.6×1017 kg
Mean density	~1.3 g/cm³ (assumed)
Surface gravity	~0.014 m/s²
Escape velocity	~0.034 km/s
Rotation period	synchronous
Axial tilt	zero
Albedo	0.08 ± 0.01
Temperature	~64 K

Belinda (/bᵻˈlɪndə/ bə-LIN-də) is an inner satellite of the planet Uranus. Belinda was discovered from the images taken by Voyager 2 on 13 January 1986 and was given the temporary designation S/1986 U 5.^[6] It is named after the heroine of Alexander Pope's The Rape of the Lock. It is also designated Uranus XIV.^[7]

Belinda belongs to the Portia group of satellites, which also includes Bianca, Cressida, Desdemona, Portia, Juliet, Cupid, Rosalind and Perdita.^[5] These satellites have similar orbits and photometric properties.^[5] Other than its orbit,^[1] radius of 45 km^[2] and geometric albedo of 0.08^[5] virtually nothing is known about it.

The Voyager 2 images show Belinda as an elongated object with its major axis pointing towards Uranus. The moon is very elongated, with its short axis 0.5 ± 0.1 times the long axis.^[2] Its surface is grey in color.^[2]

References

Explanatory notes

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 Calculated on the basis of other parameters.

Citations

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 Jacobson 1998.
↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 ^2.5 ^2.6 Karkoschka, Voyager 2001.
↑ ^3.0 ^3.1 JPL Solar System Dynamics.
↑ Williams 2007.
↑ ^5.0 ^5.1 ^5.2 ^5.3 Karkoschka, Hubble 2001.
↑ IAUC 4164.
↑ USGS: Planet and Satellite Names and Discoverers.

Sources

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External links

[calculated-5] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 Calculated on the basis of other parameters.

[FOOTNOTEJacobson1998-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 Jacobson 1998.

[FOOTNOTEKarkoschka.2C_Voyager2001-2] 2.0 ^2.1 ^2.2 ^2.3 ^2.4 ^2.5 ^2.6 Karkoschka, Voyager 2001.

[FOOTNOTEJPL_Solar_System_Dynamics-3] 3.0 ^3.1 JPL Solar System Dynamics.

[FOOTNOTEWilliams2007-4] Williams 2007.

[FOOTNOTEKarkoschka.2C_Hubble2001-6] 5.0 ^5.1 ^5.2 ^5.3 Karkoschka, Hubble 2001.

[FOOTNOTEIAUC_4164-7] IAUC 4164.

[FOOTNOTEUSGS:_Planet_and_Satellite_Names_and_Discoverers-8] USGS: Planet and Satellite Names and Discoverers.

[1]

[2]

[3]

[4]

[lower-alpha 1]

[5]

[6]

[7]

v t e Moons of Uranus
Generally listed in increasing distance from Uranus
Inner	Rings of Uranus Cordelia Ophelia Bianca Cressida Desdemona Juliet Portia Rosalind Cupid Belinda Perdita Puck Mab
Major (spheroid)	Miranda Ariel Umbriel Titania Oberon
Outer (irregular)	Francisco Caliban Stephano Trinculo Sycorax Margaret Prospero Setebos Ferdinand
Geological features	Arielian Kachina Chasmata Yangoor Mirandian Verona Rupes Oberonian Hamlet Mommur Chasma Puckian Titanian Gertrude Messina Chasma Ursula Rousillon Rupes Umbrielian Wunda Vuver Skynd

Belinda (moon)

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Discovery
Belinda viewed by Voyager 2 in 1986
Discovered by	Stephen P. Synnott / Voyager 2
Discovery date	January 13, 1986
Orbital characteristics
Mean orbit radius	75,255.613 ± 0.057 km^[1]
Eccentricity	0.00007 ± 0.000073^[1]
Orbital period	0.623527470 ± 0.000000017 d^[1]
Inclination	0.03063 ± 0.028° (to Uranus' equator)^[1]
Satellite of	Uranus
Physical characteristics
Dimensions	128 × 64 × 64 km^[2]
Mean radius	40.3 ± 8 km^[2]^[3]^[4]
Surface area	~25,000 km² ^{[lower-alpha 1]}
Volume	~380,000 km³ ^{[lower-alpha 1]}
Mass	~3.6×10¹⁷ kg^{[lower-alpha 1]}
Mean density	~1.3 g/cm³ (assumed)^[3]
Surface gravity	~0.014 m/s² ^{[lower-alpha 1]}
Escape velocity	~0.034 km/s^{[lower-alpha 1]}
Rotation period	synchronous^[2]
Axial tilt	zero^[2]
Albedo	0.08 ± 0.01^[5]
Temperature	~64 K^{[lower-alpha 1]}