Titan

MEAN RADIUS 2575 km

MASS 0.0226 (Earth=1)

DENSITY 1.88 (gm/cm)

GRAVITY 0.138 (Earth=1)

ORBIT PERIOD 15.945 (Earth days)

ROTATION PERIOD 15.945 (Earth days)

SEMIMAJOR AXIS OF ORBIT 1,221,860 km

ECCENTRICITY OF ORBIT 0.029

Titan is the second largest satellite in the solar system (second only to Ganymede, Jupiter's largest moon).
Titan is larger in diameter than Mercury and Pluto.
Titan is the only moon in the Solar System with a substantial atmosphere. Like Earth, Titan's major atmospheric gas is nitrogen.
Titan is composed of about 50% ice and 50% rocky material, with an average surface temperature of -149 degrees C (-300 degrees F).

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