Mike Brown
@plutokiller
Hey Planet Nine fans, a new eccentric KBO was discovered. And it is exactly where Planet Nine says it should be.
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2:13 PM - 24 Mar 2016
Mike Brown @plutokiller Mar 24
[the new one is uo3L91; slide from a just-posted talk at the SETI institute. Discovery from OSSOS survey on the CFHT]
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Mike Brown @plutokiller Mar 24
I haven't done the statistics yet, but I suspect this takes the probability of this being a statistical fluke down to ~.001% or so.
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Mike Brown @plutokiller Mar 24
Planet Nine, by the way, is oriented oppositely to these objects, so it's to the right and way up off the plot
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Planetaryscience @lego551_ Mar 24
@plutokiller What is the orbit/observations? I might be able to find precovery observations.
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Mike Brown @plutokiller Mar 24
@lego551_ not yet released; i don't know.
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Dennis M O'Callaghan @denmaroca Mar 24
@plutokiller Perhaps OSSOS don't realise the significance? But then there's the slide. Or maybe they're after P9 themselves? Competitive!
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Mike Brown @plutokiller Mar 24
@denmaroca pretty sure they know.
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Dennis M O'Callaghan @denmaroca Mar 24
@plutokiller Interesting that they don't include 2013 RF 98 and 2007 TG 422 on their slide, but they do include 2000 CR 105.
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David Gruber @antisophista Mar 24
@plutokiller does this help you to get a more constrained location for #PlanetNine ?
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Mike Brown @plutokiller Mar 24
@antisophista should
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Jared @JaredTheYiddo Mar 30
@plutokiller could planet 9 be discovered or spotted by an amateur astronomer in the near future?
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Mike Brown @plutokiller Mar 31
@JaredTheYiddo I suspect not. Likely far away and only visible to largest telescopes.
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Jordan Steckloff @steckloff Mar 26
@plutokiller are we biasing our search by looking in only one part of the sky?
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Mike Brown @plutokiller Mar 26
@steckloff not yet. But we might next year.
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Mikhail Baranov @mbrnv Mar 24
@plutokiller confirmation bias and cherry picking?
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Mike Brown @plutokiller Mar 24
@mbrnv seems unliikely
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Europan Icthyosaur @europan_icthyo Mar 26
@plutokiller @Astroguyz Genuine question - is the search concentrated in this direction at the moment?
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Mike Brown @plutokiller Mar 26
@europan_icthyo nope. Not yet.
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Ernie Oporto @shokk Mar 25
@plutokiller why do all the KBOs orbits seem to have the edge at top of the image in common? Is that the direction our system travels in?
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Mike Brown @plutokiller Mar 26
@shokk no, it's caused by Planet Nine!
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