a₀ = 5.29177249 × 10^₋₁₁ m

c = 2.99792458 × 10⁺⁸ m/s

ε₀ = 8.854187817 × 10⁻¹² C²/Nm ²

F = 96485.47 C/mol 

k_e = 8987551788.0 Nm²/C ²

G = 6.67259 × 10⁻¹¹ Nm²/kg ²

g = 9.8 m/s ²

h = 6.626075 × 10⁻³⁴ Js

k_B = 1.380658 × 10⁻²³ J/K

λ_C = 2.42631058 × 10⁻¹² m

μ₀ = 12.5663706144 × 10⁻⁷ N/A²

m_e = 9.1093897 × 10⁻³¹  kg

m_n = 1.6749286 × 10⁻²⁷ kg

m_p = 1.672623 × 10⁻²⁷ kg

M_earth = 5.98 × 10⁺²⁴ kg

M_moon = 7.36 × 10⁺²² kg

M_sun = 1.991 × 10⁺³⁰ kg

N_A = 6.0221367 × 10⁺²³ 1/mol

P_std = 1.013 × 10⁺⁵ Pa

q_e = 1.60217733 × 10⁻¹⁹ C

R = 8.314510 J/K mol

R_earth = 6.37 × 10⁺⁶ m

R_earth-moon = 3.84 × 10⁺⁸ m

R_earth-sun = 1.496 × 10⁺¹¹ m

R_H = 1.0973731534 × 10⁺⁷ 1/m

R_moon = 1.74 × 10⁺⁶ m

R_sun = 6.96 × 10⁺⁸ m

u = 1.6605402 × 10⁻²⁷ kg

V_m = 22.414 × 10⁻³ m³/mol