Build a Space Object

Set a mass, radius, and composition, then generate. Real astrophysics decides whether you get a planet, a star, or a black hole.

Object Builder

Object NameObject Type

Diameter (km)12742 km

Mass (Earth masses)1.00

Rotation Speed50.00

Orbital Speed50.00

Surface Temperature288 K

Age (Billion Years)4.50 Gyr

Distance from Parent Star (AU)1.00 AU

Magnetic Field Strength50.00

Atmospheric Pressure50.00

Chemical Composition

Total: 100%

Hydrogen0%

Helium0%

Iron32%

Oxygen30%

Silicon15%

Magnesium14%

Carbon1%

Nitrogen0%

Nickel2%

Sulfur3%

Calcium1%

Aluminium1%

Water Ice1%

Methane0%

Ammonia0%

Other0%

Drag to orbit, scroll to zoom

Live Analysis

Rocky Planet

Estimated ClassificationThis resembles a typical rockyPlanet.

Density5513 kg/m³

Gravity9.82 m/s²

Escape Velocity11.19 km/s

Surface Temperature288 K

Dominant ElementsIron

Atmospheric TypeModerate, Earth-like potential

Evolution StageYoung / forming

Gravity10

Surface Temperature3

Habitability Score100

Scientific Accuracy Score100

IronOxygenSiliconMagnesiumCarbonNickelSulfurCalciumAluminiumWater Ice

Interesting Facts