What is a more efficeint way to write this?

I'm new to python and am wondering what is a more effective/proper way to write this? The user will input their a a "orbiting_body" type and if they match it will pull the correct variables.

if orbiting_body == "Ariel":    
    primary_body_radius = 578.9
    gravitational_parameter = 90.099
elif orbiting_body == "Callisto":   
    primary_body_radius = 2410.3    
    gravitational_parameter = 7181.224
elif orbiting_body == "Ceres":  
    primary_body_radius = 481.5 
    gravitational_parameter = 62.66886
elif orbiting_body == "Charon": 
    primary_body_radius = 603.5 
    gravitational_parameter = 101.4448
elif orbiting_body == "Deimos": 
    primary_body_radius = 6.2   
    gravitational_parameter = 0.000098521588
elif orbiting_body == "Dione":  
    primary_body_radius = 561.4 
    gravitational_parameter = 73.14704
elif orbiting_body == "Earth":  
    primary_body_radius = 6371  
    gravitational_parameter = 398678.064
elif orbiting_body == "Eris":   
    primary_body_radius = 1163  
    gravitational_parameter = 1114.558
elif orbiting_body == "Europa": 
    primary_body_radius = 1560.8    
    gravitational_parameter = 3203.52
else:   
    primary_body_radius = 0.0   
    gravitational_parameter = 0.0