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Sinope (moon)

From Academic Kids

Sinope
Discovery
Discovered by S. B. Nicholson
Discovered in July 21, 1914
Orbital characteristics
Mean radius 24,214,390 km (0.16186 AU)
Eccentricity 0.2468
Periastron 18,237,600 km (0.122 AU)
Apastron 30,191,200 km (0.202 AU)
Orbital period 769.779665 d (2.078 a)
Orbital circumference 149,800,000 km (1.001 AU)
Orbital velocity max: 2.943 km/s
mean: 2.252 km/s
min: 1.778 km/s
Inclination 164.01 (to the ecliptic)
146.66 (to Jupiter's equator)
Is a satellite of Jupiter
Physical characteristics
Mean diameter 38 km
Surface area ~4500 km2
Volume ~28,700 km3
Mass 7.5×1016 kg
Mean density 2.6 g/cm3
Surface gravity 0.014 m/s2 (0.001 g)
Escape velocity ~0.023 km/s
Rotation period  ?
Axial tilt  ?°
Albedo 0.04
Surface temp.
min mean max
K ~124 K K
Atmospheric pressure 0 kPa

Sinope (si-noe'-pee, Greek Σινώπη) was discovered by Seth Barnes Nicholson at Lick Observatory in 1914, and is named after Sinope of Greek mythology. It belongs to the Pasipha group, irregular retrograde moons orbiting Jupiter at distances ranging between 22.8 and 24.1 Gm, and with inclinations ranging between 144.5 and 158.3.

Sinope did not receive its present name until 1975; before then, it was simply known as Jupiter IX. It was sometimes called "Hades".

Sinope was the outermost known moon of Jupiter until the discovery of Autonoe in 2001.

External links


... | Pasipha | Sinope | Sponde | ...


Jupiter's natural satellites

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Metis | Adrastea | Amalthea | Thebe | Io | Europa | Ganymede | Callisto | Themisto | Leda | Himalia | Lysithea | Elara | S/2000 J 11 | Carpo | S/2003 J 12 | Euporie | S/2003 J 3 | S/2003 J 18 | Thelxinoe | Euanthe | Helike | Orthosie | Iocaste | S/2003 J 16 | Ananke | Praxidike | Harpalyke | Hermippe | Thyone | Mneme | S/2003 J 17 | Aitne | Kale | Taygete | S/2003 J 19 | Chaldene | S/2003 J 15 | S/2003 J 10 | S/2003 J 23 | Erinome | Aoede | Kallichore | Kalyke | Eurydome | S/2003 J 14 | Pasithee | Cyllene | Eukelade | S/2003 J 4 | Hegemone | Arche | Carme | Isonoe | S/2003 J 9 | S/2003 J 5 | Pasipha | Sinope | Sponde | Autonoe | Callirrhoe | Megaclite | S/2003 J 2
Amalthea group | Galilean moons | Himalia group | Ananke group | Carme group | Pasipha group
de:Sinope (Mond)

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