#11
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Alternate: First time setting foot on another body in our solar system. Earl
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Earl L. Cagle, Jr. NAR# 29523 TRA# 962 SAM# 73 Owner/Producer Point 39 Productions Rocket-Brained Since 1970 |
#12
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A perfect example of Pournelle's "Iron Law of Bureaucracy" |
#13
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Would Apollo have gone into a highly elliptical earth orbit or into Solar orbit if they had "missed" the moon? That thought might sway me one way or the other in the argument. I have read/heard both ways, but I have not, nor would I ever want do the math to find out.
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#14
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https://gizmodo.com/the-math-that-s...388-375-5863778
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#15
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Nope - the TLI burn put them into an highly elliptical orbit with apogee at the Moon's distance. Close to, but not quite Earth escape. So if the Moon wasn't there, they would come back to low Earth orbit. However, they had the capability to escape if they fired the SM motor too long in the wrong direction.
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#16
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I wouldn't consider a 240,000 mile apogee to be LEO, no matter how close perigee is.
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I love sanding. |
#17
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The perigee would be in low Earth orbit, but as you say, the orbit would not transform into a LEO one. However, they would spend a small fraction of time at LEO altitudes - that’s what I meant by come back to LEO.
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#18
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I understood, hence the . I was just noting it so future lurkers wouldn't think they'd end up safe and sound in LEO after a miss.
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#19
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Sigh - I didn’t notice the smiley. I’m getting too old...
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Up next: Under construction: Under repair: In finishing: Centuri Sabre clone In primer: In paint: Ready for decals: Bill Cooke NAR #31312 TRA #19705 SAM #0001 Huntsville, AL My rocket blog My rocket fleet |
#20
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I'm just hoping nobody riots because I said LEO (law enforcement officer/low earth orbit).
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I love sanding. |
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