Editing Talk:Launch Azimuth

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== Launch direction confusion ==
 
== Launch direction confusion ==
 
In the example for the relation between inclination and azimuth, the article states that: "As a launch on the southeastern course would overfly the Bahamas, Cuba, and South America, the northeastern course is always used. This is ocean all the way to Ireland."  I would have expected that the northeastern course is always because if you go the other way, you will end up in orbit - going the opposite direction to the ISS!?
 
In the example for the relation between inclination and azimuth, the article states that: "As a launch on the southeastern course would overfly the Bahamas, Cuba, and South America, the northeastern course is always used. This is ocean all the way to Ireland."  I would have expected that the northeastern course is always because if you go the other way, you will end up in orbit - going the opposite direction to the ISS!?
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::No, you have two directions for getting into an orbit, if the inclination of the orbit is bigger than your latitude. Remember, the ground track of the orbit is essentially a sine wave. It goes up to the north and then to the south again. You can launch into this orbit, when the ground track passes over your launch site. Even if you have to launch eastward to enter this orbit, you can still launch at a time, when the ground track goes to the northeast, or when it goes to the southeast - both is eastern direction. The opposite direction to the ISS would be northwest or southwest. --[[User:Urwumpe|Urwumpe]] ([[User talk:Urwumpe|talk]]) 09:24, 13 December 2013 (UTC)
 

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