LunaMap · Lunar Landing Site Navigator

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Validated mission windows

NASA/JPL Horizons · Geometric visibility · Terrain not modelled

Explore Mission brief Compare Key moments Geometry Report

Data & scenario

Geometric horizon only · Sun visibility is not illumination or power · Earth visibility is not a communications link

Source

Mission brief

What does your mission need?

Mission Brief currently evaluates geometric visibility. Terrain-aware figures are in Compare and are not used here.

Mission interpreted as

Add a constraint d Objective

How the matching sites trade offView trade-offs

Sun visibility Earth visibility Sun + Earth overlap

The same brief in every mission windowCompare windows

Decision recordJSON

Geometric horizon only · terrain not modelled · Sun visibility is not power · Earth visibility is not a communications link · meeting a brief is not mission feasibility

Geometric horizon only · Sun visibility is not illumination or power · Earth visibility is not a communications link

Selected for comparison

Compare →

Compare landing sites

Mission priority

Geometric horizon only · terrain not modelled · Sun visibility is not illumination or power · Earth visibility is not a communications link

Key moments → Geometry → Evidence →

Key moments

Select a moment to open it in Geometry

All moments as a list

Sun, Moon and Earth

1 Sun, Earth and Moon

Not to scale — opens seen from the south. Directions shown by the rays and lines are true; the Sun is drawn close, so its rays arrive parallel and do not converge on it. The ring is a round, flat guide, not the Moon’s real path. Distances and body sizes compressed · drag to turn

2 The Moon and the site

Not to scale — directions are geometrically represented; distances are not · drag to turn

Not to scale — directions are geometrically represented; distances are not. Drag to turn.

3 At the site: the geometric horizon

Local horizon Above = geometrically visibleBelow = geometrically hidden

Earth, as it faces the Moon now Moon overhead at Line of sight only · day and night not shown

Time

Time cursor

Key moment

Report for

Key contrast

Visibility windows, and when both are up

All analysis sites in this window

Sun above the horizon

Earth above the horizon

Sun + Earth overlap

Elevation over the period

Sun elevation

Earth elevation

Method and limits →

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