THE SOLAR SYSTEM

NEPTUNE

Diameter	30,758 miles (49,500 km)
Equator Length	96,629 miles (155,509.5 km)
Rotational Period	15h 48m (15.8h)
Rotational Speed	6,116 mph (9,842 km/h)
Distance From Sun	2,812,940,000 miles (4,526,990,000 km) at aphelion
	2,762,720,000 miles (4,446,170,000 km) at perihelion
	2,787,830,000 miles (4,486,580,000 km); 29.9909 AUs
Orbital Length	17,516,452,490 miles (28,189,997,720 km)
Sidereal Period	164y 329d (60,189d)
Orbital Speed	12,126 mph (19,515 km/h)
Mass	17.2 E.M. (1.03175126*10^29 grams)
Eccentricity	?
Surface Gravity	1.142 g
Gravitational Intensity	17.2 E.N.
Escape Velocity	14.653 miles/sec (23.582 km/sec)
Inclination to Ecliptic Plane	1.77 degrees
Inclination of Rotational Axis	29.56 degrees
Mean Temperature	-343 F (-208 1/3 C) (64 2/3 K)	
Max Temperature	?
Min Temperature	?	
Highest Point on Surface	?
Largest Known Feature	?	
Major Atmospheric Components	Hydrogen, Helium, Methane
Other Atmospheric Components	Ammonia, Argon
Albedo	0.34 to 0.5
Volume	58.44 E.V. (6.350642845*10^28 cm^3)
Density	1.625 g/cm^3
Satellites	2

E.M. = Earth Masses
E. N. = Earth Normal
g = times earth gravity
E.V. = Earth Volumes