He sought to approach astrology as a science, and the controversy over his assertion of the existence of Trans-Neptunian objects other than Pluto led to widespread ridicule and rejection during his later years.
Witte did however describe the colors of two of his inner Transneptunians, Cupido and Hades, in articles in the anthology Der Mensch - Eine Empfangsstation kosmischer Suggestionen.
[citation needed] Witte was considered an enemy of the German Third Reich and his main book, the Regelwerk für Planetenbilder (Rulebook for Planetary Pictures[7][8]) was banned on 2 October 1936[9] and later burned by the Nazis.
The American Richard Svehla, Phoenix Bookshop, Cleveland, Ohio, was in the early 1930s one of the first who introduced the Witte-Astrology in the USA.
[13] In the mid 20th century, a collection of Witte's observations and techniques came to be described in the English speaking world as Uranian astrology.