Earth
1 recognized moon
Illustrated moon positions
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Bodies to scale · Distances compressed · Major orbits shown
Terrestrial planet
Earth
Oceans cover most of Earth’s surface. Its atmosphere, liquid water and active geology support the only life we know of.
- Mean diameter
- 12,742 km
- Year
- 365.256 Earth days
- Mean distance from Sun
- 1 AU
Natural satellite
Moon
Apollo landing sites, the far side, polar terrain and the missions that explore them.
- Mean diameter
- 3,475 km
- Orbital period
- 27.322 Earth days
- Mean distance from parent
- 384,400 km
LROC three-band colour mosaic; source fills polar gaps with lower-resolution laser albedo. NASA/GSFC/ASU · LROC and LOLA ↗
1 of 1 moons have a mean orbital reference here. Inner system covers mean distances within 80 parent radii. Locations along the orbits are illustrated, not current ephemerides.
About this view & sources
Measured body diameters share one scale. Moon distances are compressed separately. Point markers identify moons without a measured diameter; they are not scaled spheres.
Illustrated orbital arrangement, not current moon positions. Published mean semimajor axes, eccentricities and inclinations define the reference orbits. Complete orientation and phase are unavailable in this projection; marker locations are illustrative. The local orbital plane is schematic.
Planet maps show representative appearances, not current photographs. The Sun uses an actual NASA JPL SDO/STEREO 2012 mosaic at 304 Å: false-colour ultraviolet imaging of the chromosphere, not visible-light colour or current activity. Its glow is illustrative.
Inner system: satellites with a mean orbital distance within 80 parent-planet radii. All moons retains every source member and plots every available orbit.
Surface maps are representative NASA/JPL/Caltech/USGS mosaics, with source-image gaps and cleanup. All available moon positions are plotted; only major orbits are drawn together. Outlined marks locate small moons. Solid dots identify unavailable diameters. Small moons with known diameters use reference spheres for size, not detailed shape models.
- JPL · approximate planetary positions, 1800–2050 ↗
- JPL · planetary physical parameters ↗
- NASA · the eight planets ↗
- NASA · Sun facts ↗
- Mercury · NASA Visualization Technology Applications and Development (VTAD) ↗
- Venus · NASA Visualization Technology Applications and Development (VTAD) ↗
- Jupiter · NASA Visualization Technology Applications and Development (VTAD) ↗
- Saturn · NASA Visualization Technology Applications and Development (VTAD) ↗
- Uranus · NASA Visualization Technology Applications and Development (VTAD) ↗
- Neptune · NASA Visualization Technology Applications and Development (VTAD) ↗
- Earth · NASA Visible Earth · Blue Marble ↗
- Mars · NASA/JPL/USGS · NASA Trek ↗
- NASA JPL SDO/STEREO 304 Å Carrington mosaic (2012; false colour) ↗
- JPL · IAU-recognized satellite discoveries ↗
- JPL · physical parameters and uncertainties ↗
- JPL · mean orbital elements ↗
- NASA NSSDCA · Jovian sidereal orbital periods ↗
