Cislunar
Latitude shapes a lunar base’s power system, thermal design and transport architecture.
Low-angle sunlight and surrounding terrain make solar access and visibility difficult. Crater rims and mountains can occlude the Sun and cast long shadows across the worksite.
Polar winter can bring prolonged darkness and extreme cold, placing heavy demands on stored power and thermal survival. Carefully selected elevated ridges can retain much longer illumination, so conditions must be evaluated for each site.
Equatorial bases have more straightforward access to higher-angle sunlight during the day. With an aligned equatorial lunar orbit, surface-to-orbit transit can remain in-plane.
The regular cycle of roughly two Earth weeks of daylight followed by two weeks of darkness brings intense temperature fluctuations and requires reliable nighttime power and thermal protection.