Introduction: Python - Calculate Graveyard Orbit/Minimum Perigee Altitude

By
About: Occupation: tech support 
# Formula to compute Graveyard Orbit - Minimum Perigee Altitude
# Minimum Perigree Alititude = 235 + (100*Solar Radiation Pressure Coefficient) + (Aspect Area/Mass)

import math

print ("Formula to compute Minimum Perigee Altitude - Graveyard Orbit")
print ("The formula is: ")
print ("Minimum Perigree Alititude = 235 + (100*Solar Radiation Pressure Coefficient) + (Aspect Area/Mass)")

#  Input the data
#  Check to make sure the entered solar radiation pressure coefficient is between 1.2 and 1.5
EnteredSolarRadiationPressureCoefficient = 0
while (EnteredSolarRadiationPressureCoefficient==0):
    EnteredSolarRadiationPressureCoefficient = input ("Enter the Solar Radiation Pressure Coefficient (bet 1.2 & 1.5): ")
    SolarRadiationPressureCoefficient = float(EnteredSolarRadiationPressureCoefficient)
    if SolarRadiationPressureCoefficient<1.2 or SolarRadiationPressureCoefficient>1.5:
        EnteredSolarRadiationPressureCoefficient = 0
        print ("Please enter a number between 1.2 and 1.5.")

EnteredAspectArea = input ("Enter the Aspect Area in square meters: ")
EnteredMass = input ("Enter the Mass in kg: ")

# Convert entered numbers to float

AspectArea = float(EnteredAspectArea)
Mass = float(EnteredMass)

# Calculate the Minimum Perigee Altitude
# Minimum Perigree Alititude = 235 + (100*Solar Radiation Pressure Coefficient) + (Aspect Area/Mass)

MinimumPerigreeAlititude = (235 + (1000*SolarRadiationPressureCoefficient) * (AspectArea/Mass) )

print ("The Minimum Perigree Alititude is: ", MinimumPerigreeAlititude)

Attachments