| 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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