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Post Info TOPIC: Jupiter's satellites
Blobrana


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RE: Jupiter's satellites
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December 6, 2010

00:26 UT, Ganymede's shadow begins to cross Jupiter.
03:18 UT, Ganymede's shadow leaves Jupiter's disk.
10:06 UT, Io begins transit of Jupiter.
11:28 UT, Io's shadow begins to cross Jupiter.
12:22 UT, Io ends transit of Jupiter.

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Blobrana


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December 5, 2010

12:50 UT, Io enters occultation behind Jupiter.
14:40 UT, Europa begins transit of Jupiter.
16:26 UT, Io exits eclipse by Jupiter's shadow.
17:18 UT, Europa's shadow begins to cross Jupiter.
17:22 UT, Europa ends transit of Jupiter.
18:56 UT, Ganymede begins transit of Jupiter.

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Blobrana


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December 4, 2010

01:36 UT, Europa exits eclipse by Jupiter's shadow.
15:38 UT, Io begins transit of Jupiter.
16:58 UT, Io's shadow begins to cross Jupiter.
17:52 UT, Io ends transit of Jupiter.
19:16 UT, Io's shadow leaves Jupiter's disk.

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Blobrana


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December 3, 2010

18:22 UT, Io occulted by Jupiter.
20:10 UT, Europa occulted by Jupiter.
21:58 UT, Io exits eclipse by Jupiter's shadow.

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Blobrana


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November 30, 2010

05:26 UT, Io occulted by Jupiter.
06:52 UT, Europa occulted by Jupiter.
09:00 UT, Io exits eclipse from Jupiter's shadow.
12:18 UT, Europa exits eclipse from Jupiter's shadow.

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Blobrana


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November 27, 2010

13:44 UT, Io begins transit of Jupiter.
15:02 UT, Io's shadow begins to cross Jupiter.
16:00 UT, Io ends transit of Jupiter.
17:20 UT, Io's shadow leaves Jupiter's disk.

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Blobrana


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November 26, 2010

16:30 UT, Io is occulted by Jupiter.
17:36 UT, Europa is occulted by Jupiter.
20:02 UT, Io exits eclipse by Jupiter's shadow.
22:58 UT, Europa exits eclipse by Jupiter's shadow.

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Blobrana


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Cannibalistic Jupiter gobbled up its early moons

A computer simulation has indicated that the gas giant Jupiter was once a cannibal, in the sense that it ate many of its moons early in its history.
The four giant Galilean moons orbiting Jupiter are the last survivors of at least five generations of moons that once circled the planet.
All the other moons - and there could have been 20 or more - were devoured by the planet in the early days of the solar system.
Read more

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Blobrana


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Jupiter's Moons
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The end of 1609 and the first months of 1610 mark the beginning of modern astronomy. 400 years ago today, January 7th, Galileo Galilei looked up towards the constellation Orion. He aimed his telescope at an object brighter than any of the surrounding stars - the planet Jupiter.
The view through his telescope startled him. He did not see only one object, but rather, one large world, with four smaller objects nearby.
These four objects are the moons we now call Io, Europa, Ganymede and Callisto.
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Blobrana


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S/2003 J 17
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Orbital elements:
S/2003 J 17
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M  41.90787              (2000.0)            P               Q
n   0.50404272     Peri.  355.67814     +0.89215222     -0.42931074
a   0.1539787      Node   329.01063     -0.40584536     -0.89837719
e   0.1995315      Incl.  164.15753     -0.19837834     -0.09279397
P   1.96           H   16.5           P/d   714.23

MPEC 2009 - S76

S/2003 J 17 is a natural satellite of Jupiter. It was discovered by a team of astronomers led by Brett J. Gladman, et al. in 2003.
S/2003 J 17 is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 22,134 Mm in 672.752 days, at an inclination of 162° to the ecliptic (161° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2379.

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