Mercury Flyby 3 |
Mercury Flyby 3 |
Jul 3 2009, 09:27 PM
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#1
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Senior Member Group: Members Posts: 1018 Joined: 29-November 05 From: Seattle, WA, USA Member No.: 590 |
We're now just one Mercury year (88 days) from flyby #3, which happens on September 29, 2009, so this seems like a good time to start a thread about it.
http://messenger.jhuapl.edu/index.php For comparison purposes, it'd be nice if someone (probably someone on the Messenger team) put together a Mercury Map showing what areas will get better coverage from this flyby than from the previous ones. I realize it'll be very similar to flyby #1, but it won't be exactly the same. After that, it's a long wait until MOI on March 18, 2011. Curiously, that's the same date the New Horizons crosses the orbit of Uranus. http://pluto.jhuapl.edu/mission/passingpla...ets_current.php --Greg |
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Oct 1 2009, 03:05 PM
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#2
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
Yeah -- fault handling on gravity assist flybys or opportunistic encounters is way, way different than for planned science flybys. Remember how OSIRIS on Rosetta safed before the Steins flyby, and how Dawn safed during its Mars flyby. On such encounters science is way, way down the list compared to spacecraft health. If the flyby is just for science, as with NH at Pluto and Mariner 10's Mercury flybys, then they disable a lot of the fault protection.
--Emily -------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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