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Leda (moon)

From Academic Kids

Leda
Discovery
Discovered by Charles Kowal
Discovered in September 11, 1974
Orbital characteristics
Mean radius 11,097,250 km (0.07418 AU)
Eccentricity 0.1854
Periastron 9,039,300 km (0.060 AU)
Apastron 13,155,200 km (0.088 AU)
Orbital period 238.824 d (0.654 a)
Orbital circumference 69,122,650 km (0.462 AU)
Orbital velocity max: 4.076 m/s
mean: 3.350 km/s
min: 2.801 km/s
Inclination 13.22 (to the ecliptic)
27.21 (to Jupiter's equator)
Is a satellite of Jupiter
Physical characteristics
Mean diameter 20 km
Surface area ~1250 km2
Volume ~4200 km3
Mass 1.1×1016 kg
Mean density 2.6 g/cm3
Surface gravity 0.0073 m/s2 (0.001 g)
Escape velocity ~0.012 km/s
Rotation period  ?
Axial tilt  ?°
Albedo  
Surface temp.
min mean max
K ~124 K K
Atmospheric pressure 0 kPa

Leda (lee'-da, IPA , Greek Λήδα) is a satellite of Jupiter that was discovered by Charles T. Kowal at the Mount Palomar Observatory on September 14, 1974, right after three nights' worth of photographic plates had been taken (September 11 through 13; Leda appears on all of them). It is named after the queen of Sparta who was the mother of Castor, Polydeuces, Clytemnestra and Helen of Troy (Zeus, in the form of a swan, was the father). It is also designated as Jupiter XIII.

Leda belongs to the Himalia group, five moons orbiting between 11 and 13 Gm from Jupiter at an inclination of about 27.5.

Not to be confused with the asteroid 38 Leda.

External links


... | Themisto | Leda | Himalia | ...


Jupiter's natural satellites

edit  (http://clipart.academickids.com/encyclopedia/index.php?title=Template:Jupiter_Footer&action=edit)

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:Leda (Mond)

fr:Lda (lune) it:Leda (astronomia) ja:レダ (衛星) nn:Jupitermnen Leda pl:Leda (księżyc) pt:Leda sk:Leda (mesiac) sv:Leda (mne) zh:木卫十三

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