This is a spectroscopic binary star system with a companion a mere 0.2 AU from the primary, assuming a distance of 71 parsecs, with an orbital period of 230 days.

TODO

Look at the following paper and confirm the distance is 0.2 AU. Other sources give a larger distance. See desigation HIP 50801. https://iopscience.iop.org/article/10.1088/0004-6256/145/3/81

Wikipedia contributors. (2024, July 21). Mu Ursae Majoris. In Wikipedia, The Free Encyclopedia. Retrieved August 2, 2024, from https://en.wikipedia.org/w/index.php?title=Mu_Ursae_Majoris&oldid=1235876804

This is closer to the star than Mercury is to the Sun (the semi-major axis of Mercury is 0.387098 AU)

Theosophy (Wikipedia) Theosophy is a religion established in the United States during the late 19th century. It was founded primarily by Helena Blavatsky and draws its teachings predominantly from Blavatsky’s writings. Categorized by scholars of religion as both a new religious movement and as part of the occultist stream of Western esotericism, it draws upon both older European philosophies such as Neoplatonism and Indian originated religions such as Hinduism and Buddhism.

Mu Ursae Majoris (Wikipedia) Mu Ursae Majoris (μ Ursae Majoris, abbreviated Mu UMa, μ UMa), formally named Tania Australis /ˈteɪniə ɔːˈstreɪlɪs/, is a binary star in the constellation of Ursa Major. An apparent visual magnitude of +3.06 places it among the brighter members of the constellation.