Physical Properties
Mean Radius
2,575km
Equatorial Radius
0km
Polar Radius
0km
Mass
1.35e+23 kg
Volume
Density
1.88g/cm³
Gravity
0m/s²
Escape Velocity
0m/s
Flattening
0
Average Temperature
0.0 K (-273.1 °C)
Axial Tilt
0°
Semimajor Axis
1.22e+6km
Perihelion
1.19e+6km
Aphelion
1.26e+6km
Eccentricity
0.029
Inclination
0.33°
Sidereal Orbit
0.00 hours
Sidereal Rotation
0.11 hours
Mean Anomaly
0°
Argument of Periapsis
0°
Longitude of Ascending Node
0°

Overview of Titan

Titan is a fascinating moon in our Solar System that has captured the attention of astronomers and space enthusiasts alike. With a Titan radius of 2,575 km, making it 2.5× smaller than Earth's size, this celestial body presents unique characteristics that distinguish it from other objects in our cosmic neighborhood. Positioned at an average distance of 1.22e+6 km (0.008 AU) from the Sun, Titan occupies a significant place in the Solar System's architecture. As a moon, Titan demonstrates the incredible diversity of natural satellites that orbit larger celestial bodies throughout our Solar System.

Physical Characteristics

The Titan physical characteristics reveal a world of remarkable dimensions and properties. The Titan radius measures 2,575 km, making it 2.5× smaller than Earth's size. The Titan mass of 1.35e+23 kg represents 44.4× smaller than Earth's mass, giving this world substantial gravitational influence.

Orbital Properties

The Titan orbit reveals fascinating details about its journey around the Sun and its relationship to other Solar System objects. The Titan orbit has a semimajor axis of 1.22e+6 km (0.008 AU), placing it 122.4× smaller than Earth's distance from the Sun. At its closest approach (perihelion), Titan comes within 1.19e+6 km of the Sun, while at its farthest point (aphelion), it reaches 1.26e+6 km, creating a 5.8% variation in solar distance. The Titan orbit is nearly circular with an eccentricity of 0.029 (1.7× Earth's orbital eccentricity), resulting in relatively stable solar heating throughout its year. The Titan orbit takes 0.00 hours to complete (1978567.4× smaller than Earth's orbital period), defining the length of its year. The orbital inclination of 0.33° indicates how much the Titan orbit is tilted relative to the Solar System's ecliptic plane. This low inclination means Titan follows a path very close to the plane where most planets orbit, suggesting a stable formation history.

Rotation and Tilt

The Titan rotation and axial orientation provide crucial insights into its daily and seasonal cycles, as well as its orbital dynamics. The Titan rotation period of 0.11 hours (225.1× smaller than Earth's rotation period) determines the length of its day. This extremely fast rotation creates intense centrifugal forces and may contribute to the planet's flattened shape. The Titan axial tilt of 0° determines the intensity and nature of seasonal variations. With minimal axial tilt, Titan experiences virtually no seasonal changes, maintaining relatively constant temperatures throughout its year. The orbital orientation parameters reveal additional details about Titan's position in space. The mean anomaly of indicates the planet's current position in its orbit relative to its perihelion. The argument of periapsis of shows how the orbit's orientation changes over time due to gravitational perturbations. The longitude of ascending node of defines the reference point where the orbit crosses the ecliptic plane.

Temperature and Atmosphere

The Titan temperature and atmospheric conditions are fundamental to understanding its habitability and environmental characteristics. The Titan average temperature of 0.0 K (-273.1 °C) (-459.7°F) provides the baseline for understanding its climate. These extremely cold temperatures make Titan inhospitable to life as we know it, with any atmosphere likely frozen solid on the surface. Compared to Earth's average temperature of 15°C (59°F), Titan presents a dramatically different thermal environment. Being closer to the Sun than Earth, Titan receives more intense solar radiation, contributing to its temperature profile.

Escape Velocity & Flattening

The Titan escape velocity and shape characteristics reveal important details about its gravitational field and rotational dynamics. The Titan escape velocity of 0 m/s determines how easily objects can break free from its gravitational pull. This relatively low escape velocity means that gases and light molecules can easily escape into space, making it difficult for Titan to retain a substantial atmosphere. The Titan flattening of 0.0000% indicates how much the planet's rotation affects its shape. This minimal flattening suggests a nearly spherical shape, indicating either slow rotation or a very rigid internal structure.

FAQs About Titan

How big is Titan compared to Earth?

Titan has a radius of 2,575 km, making it 2.5× smaller than Earth's size. In terms of volume, Titan is 0.1× the size of Earth. This size difference significantly impacts the planet's gravity, atmospheric retention, geological processes, and overall planetary characteristics.

How far is Titan from the Sun?

Titan orbits at an average distance of 1.22e+6 km (0.008 AU) from the Sun, placing it 122.4× smaller than Earth's distance from the Sun. This distance determines the amount of solar radiation the planet receives and significantly influences its temperature and climate.

How long is a year on Titan?

A year on Titan lasts 0.00 hours (1978567.4× smaller than Earth's orbital period). This orbital period defines the length of the planet's year and affects seasonal patterns, temperature variations, and the overall climate cycle.

What is Titan made of?

Titan has a density of 1.88 g/cm³ (2.9× smaller than Earth's density). This density provides important clues about the planet's internal composition. The low density indicates a composition dominated by lighter elements, characteristic of gas giants or icy bodies.

Does Titan have seasons?

Titan has an axial tilt of . With minimal axial tilt, the planet experiences virtually no seasonal changes, maintaining relatively constant temperatures throughout its year.
Discovery Information
Discovered By
Christian Huygens
Discovery Date
25/03/1655
Raw Data
Orbits AroundParent Body