#!/usr/bin/env python3

# Import standard modules ...
import math

# Set constants ...
EARTH_MOON_DISTANCE = 385000000.0                                               # [m]
RADIUS_OF_EARTH = 6371008.8                                                     # [m]

# Set derived constants ...
CIRCUMFERENCE_OF_EARTH = 2.0 * math.pi * RADIUS_OF_EARTH                        # [m]
RESOLUTION_OF_EARTH = CIRCUMFERENCE_OF_EARTH / 360.0                            # [m/°]
