NH at Jupiter, Planning the Jupiter encounter |
NH at Jupiter, Planning the Jupiter encounter |
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![]() Member ![]() ![]() ![]() Group: Members Posts: 701 Joined: 3-December 04 From: Boulder, Colorado, USA Member No.: 117 ![]() |
I think the Jupiter encounter deserves its own thread.
I've just been taking a first look at the Jupiter encounter geometry. You can do the same using Mark Showalter's excellent on-line ephemeris tools at the PDS rings node, which by good fortune happens to include a New Horizons ephemeris (calculated over a year ago) for our actual launch date, January 19th. We'll have an updated ephemeris soon, but this one's already good enough for planning. As Roby72 noted in the Star 48 thread, the satellites are (annoyingly) all on the opposite side of Jupiter at closest approach. We'll still get good views of all sides of Io because Io rotates in only 1.8 days and we'll be pretty close to Jupiter for that long. We'll get fairly good coverage on Europa too, for the same reason. But we won't get very close to Ganymede or Callisto. Luckily Io is our highest priority satellite target and Europa is next, so we'll do OK. |
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#2
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![]() Member ![]() ![]() ![]() Group: Members Posts: 370 Joined: 12-September 05 From: France Member No.: 495 ![]() |
NH will now soon pass Mars's orbit.
But unfortunately too far away from Mars to say a last good bye to all her friends who gathered at the big Mars party. Does anyone know the time of the orbit crossing ? -- Rakhir |
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#3
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Member ![]() ![]() ![]() Group: Members Posts: 529 Joined: 19-February 05 Member No.: 173 ![]() |
NH will now soon pass Mars's orbit. But unfortunately too far away from Mars to say a last good bye to all her friends who gathered at the big Mars party. Does anyone know the time of the orbit crossing ? -- Rakhir Rakhir-- The orbit crossing occurs very close to 10:00 UT on the 7th. -Alan |
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#4
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![]() Member ![]() ![]() ![]() Group: Members Posts: 648 Joined: 9-May 05 From: Subotica Member No.: 384 ![]() |
Alan--
You should update "Passing The Planets" part of New Horizons site then... Why don't you add all future planet orbit crossing dates when on the subject? -------------------- The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful.
Jules H. Poincare My "Astrophotos" gallery on flickr... |
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#5
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Member ![]() ![]() ![]() Group: Members Posts: 529 Joined: 19-February 05 Member No.: 173 ![]() |
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