What is the theoretical maximum Zenithal Hourly Rate (ZHR) sometimes quoted for the Geminids under perfect conditions?

Answer

120 meteors per hour

The Geminids have a potential ZHR, which is the theoretical maximum rate, sometimes cited as being around 120 meteors per hour when the radiant is directly overhead and skies are perfectly dark.

What is the theoretical maximum Zenithal Hourly Rate (ZHR) sometimes quoted for the Geminids under perfect conditions?
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