Triton
Table of Contents
Physical Properties
- Mean Radius
- 1,353.4km
- Equatorial Radius
- 0km
- Polar Radius
- 0km
- Mass
- 2.14e+22 kg
- Volume
- —
- Density
- 2.05g/cm³
- Gravity
- 0.78m/s²
- Escape Velocity
- 0m/s
- Flattening
- 0
- Average Temperature
- 0.0 K (-273.1 °C)
- Axial Tilt
- 0°
- Semimajor Axis
- 354,760km
- Perihelion
- 354,753km
- Aphelion
- 354,765km
- Eccentricity
- 0
- Inclination
- 157.345°
- Sidereal Orbit
- 0.00 hours
- Sidereal Rotation
- 0.04 hours
- Mean Anomaly
- 0°
- Argument of Periapsis
- 0°
- Longitude of Ascending Node
- 0°
Overview of Triton
Triton is a fascinating moon in our Solar System that has captured the attention of astronomers and space enthusiasts alike. With a Triton radius of 1,353.4 km, making it 4.7× 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 354,760 km (0.002 AU) from the Sun, Triton occupies a significant place in the Solar System's architecture. As a moon, Triton demonstrates the incredible diversity of natural satellites that orbit larger celestial bodies throughout our Solar System.
Physical Characteristics
The Triton physical characteristics reveal a world of remarkable dimensions and properties. The Triton radius measures 1,353.4 km, making it 4.7× smaller than Earth's size. The Triton mass of 2.14e+22 kg represents 279.1× smaller than Earth's mass, giving this world substantial gravitational influence. The Triton density of 2.05 g/cm³ (2.7× smaller than Earth's density) provides clues about its internal composition, while the surface gravity of 0.78 m/s² (12.6× smaller than Earth's gravity) determines how objects behave on its surface. The moderate density suggests a mixed composition of rocky and icy materials.
Orbital Properties
The Triton orbit reveals fascinating details about its journey around the Sun and its relationship to other Solar System objects. The Triton orbit has a semimajor axis of 354,760 km (0.002 AU), placing it 421.7× smaller than Earth's distance from the Sun. At its closest approach (perihelion), Triton comes within 354,753 km of the Sun, while at its farthest point (aphelion), it reaches 354,765 km, creating a 0.0% variation in solar distance. The Triton orbit is nearly circular with an eccentricity of 0 (835.0× smaller than Earth's orbital eccentricity), resulting in relatively stable solar heating throughout its year. The Triton orbit takes 0.00 hours to complete (5369909.0× smaller than Earth's orbital period), defining the length of its year. The orbital inclination of 157.345° indicates how much the Triton orbit is tilted relative to the Solar System's ecliptic plane. This high inclination suggests Triton may have experienced significant gravitational perturbations or formed in a different region of the Solar System.
Rotation and Tilt
The Triton rotation and axial orientation provide crucial insights into its daily and seasonal cycles, as well as its orbital dynamics. The Triton rotation period of 0.04 hours (610.9× 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 Triton axial tilt of 0° determines the intensity and nature of seasonal variations. With minimal axial tilt, Triton experiences virtually no seasonal changes, maintaining relatively constant temperatures throughout its year. The orbital orientation parameters reveal additional details about Triton's position in space. The mean anomaly of 0° indicates the planet's current position in its orbit relative to its perihelion. The argument of periapsis of 0° shows how the orbit's orientation changes over time due to gravitational perturbations. The longitude of ascending node of 0° defines the reference point where the orbit crosses the ecliptic plane.
Temperature and Atmosphere
The Triton temperature and atmospheric conditions are fundamental to understanding its habitability and environmental characteristics. The Triton average temperature of 0.0 K (-273.1 °C) (-459.7°F) provides the baseline for understanding its climate. These extremely cold temperatures make Triton 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), Triton presents a dramatically different thermal environment. Being closer to the Sun than Earth, Triton receives more intense solar radiation, contributing to its temperature profile.
Escape Velocity & Flattening
The Triton escape velocity and shape characteristics reveal important details about its gravitational field and rotational dynamics. The Triton 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 Triton to retain a substantial atmosphere. The Triton 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 Triton
What is the gravity on Triton?
The gravity on Triton is 0.78 m/s² (12.6× smaller than Earth's gravity). This gravitational force determines how objects behave on the surface, affects atmospheric retention, and influences the planet's ability to hold onto gases and particles. A person weighing 70 kg on Earth would weigh 5.6 kg on Triton.
How big is Triton compared to Earth?
Triton has a radius of 1,353.4 km, making it 4.7× smaller than Earth's size. In terms of volume, Triton is 0.0× the size of Earth. This size difference significantly impacts the planet's gravity, atmospheric retention, geological processes, and overall planetary characteristics.
How far is Triton from the Sun?
Triton orbits at an average distance of 354,760 km (0.002 AU) from the Sun, placing it 421.7× 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 Triton?
A year on Triton lasts 0.00 hours (5369909.0× 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 Triton made of?
Triton has a density of 2.05 g/cm³ (2.7× smaller than Earth's density). This density provides important clues about the planet's internal composition. The moderate density suggests a mixed composition of rocky and icy materials.
Does Triton have seasons?
Triton has an axial tilt of 0°. With minimal axial tilt, the planet experiences virtually no seasonal changes, maintaining relatively constant temperatures throughout its year.
Discovery Information
- Discovered By
- William Lassell
- Discovery Date
- 10/10/1846
Raw Data