S/2003 J 12: Difference between revisions

S/2003 J 12
Discovery
Discovered by	Scott S. Sheppard et al.
Discovery date	2003
Orbital characteristics
Mean orbit radius	17.883 million km
Eccentricity	0.4920
Orbital period (sidereal)	489.72 days
Inclination	143°
Physical characteristics
Mean radius	~0.5 km
Mass	1.50×1012 kg

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S/2003 J 12 is a natural satellite of Jupiter, and is the smallest known satellite in the Solar System. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003.^[2]^[3]

S/2003 J 12 is about 1 kilometre (0.6 miles) in diameter, and orbits Jupiter at an average distance of 17,883 Mm in 489.72 days, at an inclination of 143° to the ecliptic (143° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.4920.^[1]

It is the innermost of the outer irregular retrograde satellites of Jupiter, and does not seem to belong to any group.

References

^ ^a ^b Jacobson, R. A. (June 28, 2007). "Planetary Satellite Mean Orbital Parameters". JPL/NASA. Retrieved January 21, 2008.
^ Daniel W. E. Green (March 7, 2003). "IAUC 8089: Satellites of Jupiter". International Astronomical Union.
^ MPEC 2003-E29: S/2003 J 9, 2003 J 10, 2003 J 11, 2003 J 12; S/2003 J 1, 2003 J 6 April 3, 2003 (discovery and ephemeris)

[JPL-1] Jacobson, R. A. (June 28, 2007). "Planetary Satellite Mean Orbital Parameters". JPL/NASA. Retrieved January 21, 2008.

[2] Daniel W. E. Green (March 7, 2003). "IAUC 8089: Satellites of Jupiter". International Astronomical Union.

[3] MPEC 2003-E29: S/2003 J 9, 2003 J 10, 2003 J 11, 2003 J 12; S/2003 J 1, 2003 J 6 April 3, 2003 (discovery and ephemeris)

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[2]

[3]

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-'''{{nowrap|S/2003 J 12}}''' is a [[natural satellite]] of [[Jupiter]], and is the smallest known satellite in the Solar System. It was discovered by a team of astronomers from the [[University of Hawaii]] led by [[Scott S. Sheppard]] in 2003.<ref>[http://cfa-www.harvard.edu/iauc/08000/08089.html IAUC 8089: ''Satellites of Jupiter''] 2003 March 7 (discovery)</ref><ref>[http://cfa-www.harvard.edu/mpec/K03/K03E29.html MPEC 2003-E29: ''S/2003 J 9, 2003 J 10, 2003 J 11, 2003 J 12; S/2003 J 1, 2003 J 6''] 2003 April 3 (discovery and ephemeris)</ref>
+'''{{nowrap|S/2003 J 12}}''' is a [[natural satellite]] of [[Jupiter]], and is the smallest known satellite in the Solar System. It was discovered by a team of astronomers from the [[University of Hawaii]] led by [[Scott S. Sheppard]] in 2003.<ref>{{cite web |author=Daniel W. E. Green |url=http://www.cbat.eps.harvard.edu/iauc/08000/08089.html |publisher=International Astronomical Union |title=IAUC 8089: Satellites of Jupiter |date=March 7, 2003}}</ref><ref>[http://cfa-www.harvard.edu/mpec/K03/K03E29.html MPEC 2003-E29: S/2003 J 9, 2003 J 10, 2003 J 11, 2003 J 12; S/2003 J 1, 2003 J 6] April 3, 2003 (discovery and ephemeris)</ref>
-{{nowrap|S/2003 J 12}} is about 1 kilometre (0.6 miles) in diameter, and orbits Jupiter at an average distance of 17,883 Mm in 489.72 days, at an [[inclination]] of 143°<!--- 142.686° ---> to the [[ecliptic]] (143°<!--- 142.618° ---> to Jupiter's equator), in a [[retrograde motion|retrograde]] direction and with an [[eccentricity (orbit)|eccentricity]] of 0.4920.<ref name=JPL>{{cite web
+{{nowrap|S/2003 J 12}} is about 1 kilometre (0.6 miles) in diameter, and orbits Jupiter at an average distance of 17,883&nbsp;Mm in 489.72 days, at an [[inclination]] of 143°<!--- 142.686° ---> to the [[ecliptic]] (143°<!--- 142.618° ---> to Jupiter's equator), in a [[retrograde motion|retrograde]] direction and with an [[eccentricity (orbit)|eccentricity]] of 0.4920.<ref name=JPL>{{cite web
   |date=2007-06-28
   |title=Planetary Satellite Mean Orbital Parameters
   |publisher=JPL/NASA
-  |author=Jacobson, R.A. (2006) JUP263
+  |author=Jacobson, R. A.
   |url=http://ssd.jpl.nasa.gov/?sat_elem#jupiter
   |accessdate=2008-01-21}}</ref>

v t e Moons of Jupiter
Listed in increasing approximate distance from Jupiter
Inner moons	Metis Adrastea Amalthea Thebe
Galilean moons	Io Europa Ganymede Callisto
Themisto	Themisto
Himalia group (9)	Leda Ersa S/2018 J 2 Himalia Pandia Lysithea Elara S/2011 J 3 Dia
Carpo group (2)	S/2018 J 4 Carpo
Valetudo	Valetudo
Ananke group (26)	Euporie Jupiter LV Eupheme S/2021 J 3 Jupiter LII Jupiter LIV Mneme Euanthe S/2003 J 16 Harpalyke Orthosie S/2022 J 3 Helike S/2021 J 2 Praxidike Jupiter LXIV S/2021 J 1 S/2003 J 12 Jupiter LXVIII Thelxinoe Thyone S/2003 J 2 Ananke Iocaste Hermippe Jupiter LXX
Carme group (30)	S/2022 J 1 S/2022 J 2 S/2016 J 3 Pasithee Jupiter LXIX S/2021 J 6 S/2003 J 24 Chaldene Jupiter LXIII Isonoe S/2021 J 4 Kallichore Erinome Kale Eirene Aitne Eukelade Arche Taygete Jupiter LXXII Carme Herse Jupiter LXI Jupiter LI S/2003 J 9 Jupiter LXVI Kalyke S/2018 J 3 S/2021 J 5 S/2003 J 10
Pasiphae group (18)	Philophrosyne Eurydome Jupiter LVI S/2003 J 4 S/2016 J 4 Jupiter LXVII Hegemone Pasiphae Sponde Megaclite Cyllene Sinope Jupiter LIX Aoede Autonoe Callirrhoe S/2003 J 23 Kore
See also	Rings of Jupiter Jupiter's moons in fiction
Category