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Message Subject
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Jupiter's Orbit is NOT "Off."
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Poster Handle
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Anonymous Astrophysicist |
Post Content
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So according to this video that's been going viral lately, Jupiter is "off." I compared the position of Jupiter in the SOHO images from the time periods covered by the above youtube video to the predicted position of Jupiter based on ephemeris that were originally generated in 1890 by George Hill. It's position is normal, even though I'm comparing it to data that originates over 120 years ago (in other words, no way it's part of some "NASA cover-up"). I didn't bother accounting for the position of SOHO in this case. I could squeeze a little more accuracy out of it if I did that, but I don't think it's necessary in this case (it would also require importing SOHO's orbital data uniquely for each observation epoch). It was enough work to convert and import the old ephemeris into modern software. Rather than try to modify the VSOP87 algorithms, I simply imported mean Keplerian elements for Jupiter at each observation epoch (derived from the original Hill data) into Celestia. ORSA was used to propagate the data to each observation epoch. I made a gif animation showing the various comparisons. It starts with a simple 3 frame comparison similar to what the youtube video showed (one image from 2000, one from 2007, and one from 2012). I then compared this to the ephemeris data using celestia, registering each image based on the stars (effectively doing astrometry by hand). As you can see, Jupiter's where it should be in the image, even according to 19th century data. [ link to img705.imageshack.us] I also did a direct measurement of Jupiter's position in a video you may have seen before, and indeed it's perfectly normal to within at least 1.69 arcseconds (far high resolution than what you can see in the SOHO images). Quoting: Dr. Astro In other words Jupiter's orbit is out of place. How goes, .gov shillboy? When are you idiots going to figure out that when you 'debunk' what appears to be a questionable story you prove it is true? Oh and BTW, FUCK OFF
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