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Belinda (moon) facts for kids

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Image of Belinda acquired by Voyager 2
Belinda viewed by Voyager 2 in 1986
Discovered by Stephen P. Synnott / Voyager 2
Discovery date January 13, 1986
MPC designation Uranus XIV
Adjectives Belindian
Orbital characteristics
Mean orbit radius
75,255.613 ± 0.057 km
Eccentricity 0.00007 ± 0.000073
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
~25,000 km2
Volume ~380,000 km3
Mass ~3.6×1017 kg
Mean density
~1.3 g/cm3 (assumed)
~0.014 m/s2
~0.034 km/s
Albedo 0.08 ± 0.01
Temperature ~64 K

Belinda 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.

Belinda belongs to the Portia group of satellites, which also includes Bianca, Cressida, Desdemona, Portia, Juliet, Cupid, Rosalind and Perdita. These satellites have similar orbits and photometric properties. Other than its orbit, radius of 45 km and geometric albedo of 0.08 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. Its surface is grey in color.

The inner moon system is unstable over timescales of several millions of years. Belinda and Cupid will probably be the first pair of moons to collide, in 100,000 to 10 million years' time depending on the densities of the Portia-group satellites, due to resonant interactions with the much smaller Cupid.

See also

Kids robot.svg In Spanish: Belinda (satélite) para niños

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Julissa Reynoso Pantaleón
Edward C. Prado
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