
import numpy as np

# Given parameters
R = 6370e3  # radius of Earth in m
h = 350e3  # altitude in m
M = 5.98e24  # mass of Earth in kg
m = 7.20  # mass of satellite in kg
G = 6.67e-11  # gravitational constant in N*(m**2)/(kg**2)

# Calculations
r = R + h  # orbital radius
E = -G * M * m / (2 * r)  # mechanical energy

# Convert to mega joules (MJ)
E_MJ = E / 1e6

print(E_MJ)

