parameters

Earth

Moon

Mass (Kg)

5.9726 × 10²⁴

0.07342 × 10²⁴

GM (Km³/s²)

0.3986 × 10⁶

0.0049 × 10⁶

Volumetric Mean Radius

Or Median Radius (×10³ m)

6371

1737

Flattening(ellipticity)

0.00335

0.0012

Mean Density (Kg/m³)

5514

3344

Moment of Inertia (I/(MR²))

0.33086

0.394

Sidereal Spin period

23.9344 h

27.322d

Sidereal Orbital period (d)

-

655.7208 h (27.3217d)

a* (semi-major axis) (×10⁸ m)

-

3.84400

Lunar Orbit eccentricity

-

0.0549

Lunar Orbital inclination w.r.t. Ecliptic

-

5.145 degrees

$B=\sqrt{G\left(M+m\right)}$ (m^3/2/s)

2.00873 × 10⁷