Earth.h File Reference

Contains data of our Earth, e.g. Earth.mass. More...

#include <SI/literals.h>

Go to the source code of this file.

Namespaces
namespace	Earth

Variables
const length	Earth::aphelion = 152'097'597_km
const length	Earth::perihelion = 147'098'450_km
const length	Earth::semi_major_axis = 149'598'023_km
const dimensionless	Earth::eccentricity = 0.016'7086
const SI::time	Earth::sidereal_orbital_period = 365.256'363'004_day
const velocity	Earth::average_orbital_speed = 29.7827_km_per_s
const angle	Earth::mean_anomaly = 358.617_deg
const length	Earth::mean_radius = 6'371.0_km
const length	Earth::equatorial_radius = 6'378.137_km
const length	Earth::polar_radius = 6'356.752_km
const dimensionless	Earth::flattening = 1.0/298.257'222'101
const length	Earth::equatorial_circumference = 40'075.017_km
const length	Earth::meridional_circumference = 40'007.863_km
const area	Earth::surface_area = 510'072'000_km²
const area	Earth::land_area = 148'940'000_km²
const area	Earth::water_area = 361'132'000_km²
const SI::volume	Earth::volume = 1.08321e12_km³
const SI::mass	Earth::mass = 5.97217e24_kg
const density	Earth::mean_density = 5.513_g_per_cm³
const acceleration	Earth::surface_gravity = 9.80665_m_per_s²
	exactly 1 g0
const dimensionless	Earth::moment_of_inertia_factor = 0.3307
const velocity	Earth::escape_velocity = 11.186_km_per_s
const SI::time	Earth::synodic_rotation_period = 24_h
const velocity	Earth::equatorial_rotation_velocity = 1674.4_km_per_h
const angle	Earth::axial_tilt = 23.439'2811_deg
const dimensionless	Earth::geometric_albedo = 0.434
const dimensionless	Earth::bond_albedo = 0.294
const temperature	Earth::blackbody_temperature = 255_K
const temperature	Earth::min_surface_temperature = -89.2_degC
const temperature	Earth::mean_surface_temperature = 14.76_degC
const temperature	Earth::max_surface_temperature = 56.7_degC
const pressure	Earth::surface_pressure = 101.325_kPa
	at sea level
const dimensionless	Earth::nitrogen = 78.08_percent
	dry air
const dimensionless	Earth::oxygen = 20.95_percent
	dry air
const dimensionless	Earth::water_vapor = 1_percent
	up to 1%, is variable
const dimensionless	Earth::argon = 0.9340_percent
const dimensionless	Earth::carbon_dioxide = 0.0430_percent
const dimensionless	Earth::neon = 0.00182_percent
const dimensionless	Earth::helium = 0.00052_percent
const dimensionless	Earth::methane = 0.00017_percent
const dimensionless	Earth::krypton = 0.00011_percent
const dimensionless	Earth::hydrogen = 0.00006_percent
const dimensionless	Earth::population = 8.2e9

Detailed Description

Contains data of our Earth, e.g. Earth.mass.

Source: https://en.wikipedia.org/wiki/Earth (as of 2026) Categories are: Orbital characteristics, Physical characteristics, Atmosphere, and Various.