Leda

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Leda Discovery Discovered by: Charles Kowal Discovery date: September 11, 1974 Orbital characteristics Periapsis: 9,039,300 km (0.060 AU) Apoapsis: 13,155,200 km (0.088 AU) Mean radius of orbit: 11,097,250 km (0.07418 AU) Orbital circumference: 69,122,650 km (0.462 AU) Eccentricity: 0.1854 Orbital period: 238.824 d (0.654 a) Avg. orbital speed: 3.350 km/s Max. orbital speed: 4.076 km/s Min. orbital speed: 2.801 km/s Inclination: 27.59° (to the ecliptic) 29.01° (to Jupiter's equator) Satellite of: Jupiter Physical characteristics Mean radius: 10 km Surface area: ~1250 km² Volume: ~4200 km³ Mass: 1.1×1016 kg Mean density: 2.6 g/cm³ Equatorial surface gravity: ~0.0073 m/s2 (0.001 g) Escape velocity: ~0.012 km/s Albedo: 0.04 (assumed) Temperature: ~124 K For the asteroid, see 38 Leda Leda (lee'-də, IPA: [ˈlidə]; Greek Λήδα), or Jupiter XIII, is a prograde irregular 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 Leda, 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).

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


[edit] See also Jupiter's moons in fiction

[edit] External links Kowal, C.T. et al., "Thirteenth satellite of Jupiter", AJ 80 (1975) 460–464


... | Themisto | Leda | Himalia | ... [show]v • d • eMoons of Jupiter

Jupiter's natural satellites

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Named Satellites:

Adrastea | Aitne | Amalthea | Ananke | Aoede | Arche | Autonoe | Callirrhoe | Callisto | Carme | Carpo | Chaldene | Cyllene | Dia | Eirene | Elara | Erinome | Ersa | Euanthe | Eukelade | Eupheme | Euporie | Europa | Eurydome | Ganymede | Harpalyke | Hegemone | Helike | Hermippe | Herse | Himalia | Io | Iocaste | Isonoe | Kale | Kallichore | Kalyke | Kore | Leda | Lysithea | Megaclite | Metis | Mneme | Orthosie | Pandia | Pasiphae | Pasithee | Philophrosyne | Praxidike | Sinope | Sponde | Taygete | Thebe | Thelxinoe | Themisto | Thyone | Valetudo

Numbered Satellites:

S/2003 J 2 | S/2003 J 4 | S/2003 J 9 | S/2003 J 10 | S/2003 J 12 | S/2003 J 16 | S/2003 J 18 | S/2003 J 19 | S/2003 J 23 | S/2003 J 24 |S/2010 J 1 | S/2010 J 2 | S/2011 J 1 | S/2011 J 2 S/2011 J 3 | S/2016 J 1 | S/2016 J 3 | S/2016 J 4 | S/2017 J 1 | S/2017 J 2 | S/2017 J 3 | S/2017 J 5 | S/2017 J 6 | S/2017 J 7 | S/2017 J 8 | S/2017 J 9 | S/2018 J 2 |S/2018 J 3 | S/2018 J 4 | S/2021 J 1 S/2021 J 2 | S/2021 J 3 | S/2021 J 4 | S/2021 J 5 | S/2021 J 6 | S/2022 J 1 | S/2022 J 2 | S/2022 J 3

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