(16) Psyche

Asteroid
(16) Psyche Radius

Radius of (16) Psyche

The radius of (16) Psyche is one of its most fundamental physical characteristics. The (16) Psyche radius measures approximately 126 km, making it 50.56× smaller than Earth. This measurement represents the average distance from the center of (16) Psyche to its surface, providing crucial information about the celestial body's size and volume.

Understanding the (16) Psyche radius is essential for calculating other important properties such as surface area, volume, and gravitational characteristics. The radius directly influences how we perceive and study this fascinating object in our Solar System.

(16) Psyche Semi-Major Axis

Orbital Radius of (16) Psyche

The (16) Psyche semi-major axis is a critical orbital parameter that defines the average distance from the Sun. The (16) Psyche semi-major axis measures 2.92 AU (approximately 4.37e+8 km), which represents the average orbital radius of (16) Psyche. This measurement is fundamental to understanding (16) Psyche's position in the Solar System and its relationship with other celestial bodies.

The orbital radius of (16) Psyche determines how much solar radiation the planet receives, which directly influences its temperature, climate, and overall environmental conditions. This distance places (16) Psyche in a specific region of the Solar System, each with unique characteristics and scientific significance.

When we examine the (16) Psyche semi-major axis 2.92 AU, we gain insights into the planet's orbital mechanics, including its orbital period, velocity, and the gravitational forces at play. This parameter is essential for space mission planning and understanding the dynamics of our Solar System.

(16) Psyche Mass

Mass of (16) Psyche in kg

The (16) Psyche mass is a fundamental property that determines many of the planet's physical characteristics. The mass of (16) Psyche in kg is approximately 1.70e+19 kg, which is 351294.12× less than Earth's mass. This substantial mass creates a significant gravitational field that influences everything from atmospheric retention to orbital dynamics.

Understanding the (16) Psyche mass allows scientists to calculate other critical properties such as surface gravity, escape velocity, and the planet's ability to retain an atmosphere. The mass also plays a crucial role in determining how (16) Psyche interacts with other celestial bodies through gravitational forces.

The precise measurement of the mass of (16) Psyche in kg is essential for space exploration missions, as it affects spacecraft trajectories, landing procedures, and the design of scientific instruments. This fundamental property helps us understand(16) Psyche's formation history and its place in the evolution of our Solar System.

(16) Psyche Orbital Period

How Long is a Year on (16) Psyche?

The (16) Psyche orbital period defines the length of one complete revolution around the Sun. The (16) Psyche orbital period is 0.51 hours, which is 17310.02× shorter than Earth's year. This orbital period determines the length of (16) Psyche's year and directly influences seasonal patterns, climate cycles, and temperature variations.

The (16) Psyche orbital period is directly related to its distance from the Sun, following Kepler's laws of planetary motion. Planets farther from the Sun have longer orbital periods, while those closer complete their orbits more quickly. This relationship helps explain why (16) Psyche takes the time it does to complete one full orbit.

Understanding the (16) Psyche orbital period is crucial for space mission planning, as it affects launch windows, travel times, and the timing of scientific observations. This fundamental orbital parameter also provides insights into the planet's formation history and its current position in the Solar System's dynamic structure.

How Far is (16) Psyche from Earth?

Distance Between (16) Psyche and Earth

How far is (16) Psyche from Earth? This is a question that fascinates both astronomers and space enthusiasts. The distance between (16) Psyche and Earth varies throughout their orbital cycles, but on average, (16) Psyche is approximately 2.87e+8 km(1.921 AU) away from Earth. This distance changes as both planets orbit the Sun, with the closest approach (opposition) and farthest separation (conjunction) creating significant variations.

The question "How far is (16) Psyche from Earth?" has practical implications for space exploration. This distance determines travel time for spacecraft, communication delays for mission control, and the amount of fuel required for interplanetary missions. Understanding this distance is essential for planning future missions to (16) Psyche.

The distance between (16) Psyche and Earth is not constant due to the elliptical nature of both planets' orbits. When (16) Psyche and Earth are on the same side of the Sun (opposition), they are at their closest, making this the optimal time for observations and potential missions. Conversely, when they are on opposite sides of the Sun (conjunction), they are at their farthest separation, which can exceed the average distance significantly.

Physical Properties
Mean Radius
0km
Equatorial Radius
126km
Polar Radius
0km
Mass
1.70e+19 kg
Volume
0.00e+0 km³
Density
0g/cm³
Gravity
0m/s²
Escape Velocity
0.134m/s
Flattening
0
Average Temperature
0.0 K (-273.1 °C)
Axial Tilt
0°
Semimajor Axis
4.37e+8km
Perihelion
3.76e+8km
Aphelion
4.98e+8km
Eccentricity
0.14
Inclination
3.095°
Sidereal Orbit
0.51 hours
Sidereal Rotation
0.00 hours
Mean Anomaly
0°
Argument of Periapsis
0°
Longitude of Ascending Node
0°

Overview of (16) Psyche

(16) Psyche is a fascinating asteroid in our Solar System that has captured the attention of astronomers and space enthusiasts alike. With a (16) Psyche radius of 126 km, making it 50.6× 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 4.37e+8 km (2.921 AU) from the Sun, (16) Psyche occupies a significant place in the Solar System's architecture. As an asteroid, (16) Psyche represents the remnants of the early Solar System, providing valuable insights into the formation and evolution of our cosmic neighborhood.

Physical Characteristics

The (16) Psyche physical characteristics reveal a world of remarkable dimensions and properties. The (16) Psyche radius measures 126 km, making it 50.6× smaller than Earth's size. The (16) Psyche mass of 1.70e+19 kg represents 351294.1× smaller than Earth's mass, giving this world substantial gravitational influence.

Orbital Properties

The (16) Psyche orbit reveals fascinating details about its journey around the Sun and its relationship to other Solar System objects. The (16) Psyche orbit has a semimajor axis of 4.37e+8 km (2.921 AU), placing it 2.9× Earth's distance from the Sun. At its closest approach (perihelion), (16) Psyche comes within 3.76e+8 km of the Sun, while at its farthest point (aphelion), it reaches 4.98e+8 km, creating a 27.9% variation in solar distance. The (16) Psyche orbit is moderately elliptical with an eccentricity of 0.14 (8.4× Earth's orbital eccentricity), creating noticeable seasonal variations in solar radiation. The (16) Psyche orbit takes 0.51 hours to complete (17310.0× smaller than Earth's orbital period), defining the length of its year. The orbital inclination of 3.095° indicates how much the (16) Psyche orbit is tilted relative to the Solar System's ecliptic plane. This low inclination means (16) Psyche follows a path very close to the plane where most planets orbit, suggesting a stable formation history.

Rotation and Tilt

The (16) Psyche rotation and axial orientation provide crucial insights into its daily and seasonal cycles, as well as its orbital dynamics. The (16) Psyche rotation period of 0.00 hours (495196.0× 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 (16) Psyche axial tilt of 0° determines the intensity and nature of seasonal variations. With minimal axial tilt, (16) Psyche experiences virtually no seasonal changes, maintaining relatively constant temperatures throughout its year. The orbital orientation parameters reveal additional details about (16) Psyche'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 (16) Psyche temperature and atmospheric conditions are fundamental to understanding its habitability and environmental characteristics. The (16) Psyche average temperature of 0.0 K (-273.1 °C) (-459.7°F) provides the baseline for understanding its climate. These extremely cold temperatures make (16) Psyche 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), (16) Psyche presents a dramatically different thermal environment. Being farther from the Sun than Earth, (16) Psyche receives less solar radiation, resulting in cooler conditions. The elliptical orbit creates significant temperature variations throughout the year, with extreme seasonal changes.

Escape Velocity & Flattening

The (16) Psyche escape velocity and shape characteristics reveal important details about its gravitational field and rotational dynamics. The (16) Psyche escape velocity of 0.134 m/s (83540.0× smaller than Earth's escape velocity) 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 (16) Psyche to retain a substantial atmosphere. The (16) Psyche 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 (16) Psyche

How big is (16) Psyche compared to Earth?

(16) Psyche has a radius of 126 km, making it 50.6× smaller than Earth's size. In terms of volume, (16) Psyche 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 (16) Psyche from the Sun?

(16) Psyche orbits at an average distance of 4.37e+8 km (2.921 AU) from the Sun, placing it 2.9× 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 (16) Psyche?

A year on (16) Psyche lasts 0.51 hours (17310.0× 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 the escape velocity of (16) Psyche?

The escape velocity of (16) Psyche is 0.134 m/s (83540.0× smaller than Earth's escape velocity). This is the minimum speed required for an object to break free from the planet's gravitational pull and enter space. The low escape velocity makes it difficult for the planet to retain an atmosphere.

Does (16) Psyche have seasons?

(16) Psyche 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
Annibale De Gasparis
Discovery Date
17/03/1852
Raw Data