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