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We present updated dynamical and statistical analyses of outer Oort cloud cometary evidence suggesting that the Sun has a wide-binary jovian mass companion. The results support a conjecture that there exists a companion of mass 1—4 MJupiter orbiting in the innermost region of the outer Oort cloud.
The conjectured companion would be incapable of creating comet ‘‘storms’’. To help mitigate popular confusion with the Nemesis model (Whitmire and Jackson,1984; Davis and Muller, 1984) we use the name recently suggested by Kirpatrick and Wright (2010), Tyche (the good sister of Nemesis).
the observed OOC comet population contains an anomalous excess of 20% oriented along a well-defined arc. The extent of the enhanced arc is inconsistent with a weak stellar impulse, but is consistent with a jovian mass solar companion orbiting in the Oort cloud.