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)

Alexander the Great (Wikipedia) Alexander III of Macedon (Ancient Greek: Ἀλέξανδρος, romanized: Alexandros; 20/21 July 356 BC – 10/11 June 323 BC), commonly known as Alexander the Great, was a king of the ancient Greek kingdom of Macedon. He succeeded his father Philip II to the throne in 336 BC at the age of 20, and spent most of his ruling years conducting a lengthy military campaign throughout Western Asia and Egypt. By the age of 30, he had created one of the largest empires in history, stretching from Greece to northwestern India. He was undefeated in battle and is widely considered to be one of history’s greatest and most successful military commanders.

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.