Jahoo was an uninhabited planet. According to a computer readout at the Shadow Proclamation, its "size" was 41,293 kelix, its mass was 500,835.3 gaats and its atmosphere was 14% olb. Jahoo was taken by the Daleks in 2009 and transported to the Medusa Cascade, where it joined twenty-six other planets. (TV: The Stolen Earth) After Donna Noble defeated the Daleks and Davros, it was returned to its rightful place. (TV: Journey's End)

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