Sinope (moon)

S. B. Nicholson

Sinope ( Jupiter IX) is one of the outermost known moons of the planet Jupiter.

Discovery

Sinope was discovered on 1 July 1914 by the astronomer Seth Barnes Nicholson at Lick Observatory.

It was named after the moon Sinope, a nymph in Greek mythology who was courted by Zeus and abducted by Apollon.

It received its official name until 1975, before that he was simply referred to as a moon of Jupiter IX, as he was the ninth moon discovered in Jupiter.

Path data

Sinope orbits Jupiter at an average distance of 23,939,000 km in 758 days, 21 hours and 36 minutes. The track has an eccentricity of 0.2495. With an inclination of 158.109 ° the web is retrograde, that is, the moon moves against the direction of rotation of Jupiter around the planet.

Sinope is attributed due to their web properties of the Pasiphae group.

Physical data

Sinope has an average diameter of about 38 km. Its density is estimated to be 2.6 g / cm ³. He is probably made ​​up predominantly of silicate rock. Sinope has a very dark surface with an albedo of 0.04, i.e., only 4% of the incident sunlight is reflected. Its apparent magnitude is 18.1 m.

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