What orbital distance generally defines a Jovian-mass planet as a Hot Jupiter?
Answer
Orbits generally less than 0.5 AU from the host star
Hot Jupiters are defined as Jovian-mass planets orbiting at very small semi-major axes, typically less than 0.5 Astronomical Units (AU) from their star.

#Videos
What are Hot Jupiters? - YouTube
Related Questions
What orbital distance generally defines a Jovian-mass planet as a Hot Jupiter?What was the name of the first confirmed exoplanet of the Hot Jupiter type, discovered in 1995?Why does the core accretion model struggle to explain the formation of Hot Jupiters in their observed close-in orbits?What mechanism is the leading explanation for how massive planets achieve orbits close to their stars?What mechanism characterizes Type I migration in a protoplanetary disk?How does Type II migration conceptually differ from Type I migration for a massive, growing planet?Which characteristic observed in most Hot Jupiters favors disk migration over gravitational scattering as the dominant mechanism?What scenario is gravitational scattering often invoked to explain, despite migration being dominant?What classification applies to planets similar in mass to Jupiter but orbiting further out, perhaps between 0.5 and a few AU?What class of exoplanets represents Hot Jupiters that orbit their star in less than one Earth day?