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Jupiter moon question
What is Jupiter's most distant moon? From the viewpoint of my
backyard with Jupiter at closest opposition, at zenith at midnight, how many degrees maximum distance is it from its mother planet? |
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Jupiter moon question
"Father Haskell" wrote in message
oups.com... What is Jupiter's most distant moon? From the viewpoint of my backyard with Jupiter at closest opposition, at zenith at midnight, how many degrees maximum distance is it from its mother planet? google: Jupiter natural satellites http://en.wikipedia.org/wiki/Jupiter's_natural_satellites Most distant moon is a small bit of rock called S2003 J2 at a distance of about 30,291,000 km from Jupiter. That's about 0.2 AU (Astronomical Units). Jupiter's orbital radius is about 5.2 AU, and the Earth's is 1 AU. That should be enough information for you to do the math. |
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Jupiter moon question
On Oct 14, 8:44 am, "Greg Neill" wrote:
"Father Haskell" wrote in message oups.com... What is Jupiter's most distant moon? From the viewpoint of my backyard with Jupiter at closest opposition, at zenith at midnight, how many degrees maximum distance is it from its mother planet? google: Jupiter natural satellites http://en.wikipedia.org/wiki/Jupiter's_natural_satellites Most distant moon is a small bit of rock called S2003 J2 at a distance of about 30,291,000 km from Jupiter. That's about 0.2 AU (Astronomical Units). Jupiter's orbital radius is about 5.2 AU, and the Earth's is 1 AU. That should be enough information for you to do the math. Or a rough sketch. Looks to be about 5 degrees separation, more food for contemplation while enjoying the night sky. |
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Jupiter moon question
"Father Haskell" wrote in message
oups.com... On Oct 14, 8:44 am, "Greg Neill" wrote: "Father Haskell" wrote in message oups.com... What is Jupiter's most distant moon? From the viewpoint of my backyard with Jupiter at closest opposition, at zenith at midnight, how many degrees maximum distance is it from its mother planet? google: Jupiter natural satellites http://en.wikipedia.org/wiki/Jupiter's_natural_satellites Most distant moon is a small bit of rock called S2003 J2 at a distance of about 30,291,000 km from Jupiter. That's about 0.2 AU (Astronomical Units). Jupiter's orbital radius is about 5.2 AU, and the Earth's is 1 AU. That should be enough information for you to do the math. Or a rough sketch. Looks to be about 5 degrees separation, more food for contemplation while enjoying the night sky. A NASA website has a slightly different value for the orbital radius of S2003 J2: http://nssdc.gsfc.nasa.gov/planetary...ansatfact.html It lists it as 28570x10^3 km, or about 0.191 AU. The closest approach of Jupiter to the Earth would be about 5.2 - 1 = 4.2 AU. This would give an angular separation (center to center) of Jupiter and S2003 J2 of atan(0.191/4.2) = 2.6 degrees |
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