is_polar_day

Determines whether a given location on Mars is experiencing polar day (24-hour sunlight)
for the specified season. During polar day, the sun remains above the horizon continuously.

A set of functions to calculate solar irradiance and insolation on Mars horizontal and inclined surfaces. Based on NASA Technical Memoranda 102299, 103623, 105216, 106321, and 106700, i.e. the canonical Mars solar radiation papers.

Georges Labrèche

marsrad

Mars Solar Radiation

is_polar_day function

<dl><dt>Ls</dt>
<dd>Areocentric longitude [deg]</dd>
<dt>phi</dt>
<dd>Planetary latitude [deg]</dd></dl>

Arguments

Check if location is experiencing polar day — is_polar_day

<dl>

<dt>Ls</dt>
<dd>Areocentric longitude [deg]</dd>


<dt>phi</dt>
<dd>Planetary latitude [deg]</dd>

</dl>

is_polar_day: Check if location is experiencing polar day

Description

Usage

Value

Arguments