Object | Moon | Titan |
---|---|---|
Type | Rocky satellite | Rocky satellite |
Age | 4.53 billion years | 4.53 billion years |
Diameter | 3,474 km | 5,148 km |
Mean radius | 1,737 km | 2,574 km |
Mass | 7.34 × 1022 kg | 1.34 × 1023 kg |
Orbital period | 27 days | 15.9 days |
Surface temperature (average) |
220 K -53 °C -63 °F |
93.7 K -179.5 °C -291.1 °F |
Surface gravity | 1.6 m/s² | 1.35 m/s² |
Mean density | 3.3 g/cm3 | 1.87 g/cm3 |
Orbital distance | 384,402 km | 1,219,500 km |
Circumference | 10,921 km | 16,172 km |
Surface area | 37 million km² | 83 million km² |
Volume | 2.19 × 1010 km3 | 0.51 × 1011 km3 |
Escape velocity | 2.3 km/s | 2.63 km/s |
Average orbital speed | 1.02 km/s | 5.57 km/s |
Semi major axis | 384 thousands km | 1.21 million km |
Inclination | 5.1° | 0.34° |
Surface pressure | 10−7 Pa | 146.7 kPa |
Atmosphere composition | argon, helium, neon |
98.4% nitrogen, 1.4% methane, 0.2% hydrogen |
Crust composition | 45% silica, 19% alumina, 14% lime, 10% iron, 2% titanium dioxide, 0.6% sodium oxide |
silicate, ice, liquid water |
Distance from the Milky Way center | 27,200 light years | 27,200 light years |