2 Pallas

Asteroid
Dimensions:582x556x500
2 Pallas Radius

Radius of 2 Pallas

The radius of 2 Pallas is one of its most fundamental physical characteristics. The 2 Pallas radius measures approximately 545 km, making it 11.69× smaller than Earth. This measurement represents the average distance from the center of 2 Pallas to its surface, providing crucial information about the celestial body's size and volume.

Understanding the 2 Pallas 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.

2 Pallas Semi-Major Axis

Orbital Radius of 2 Pallas

The 2 Pallas semi-major axis is a critical orbital parameter that defines the average distance from the Sun. The 2 Pallas semi-major axis measures 2.77 AU (approximately 4.15e+8 km), which represents the average orbital radius of 2 Pallas. This measurement is fundamental to understanding 2 Pallas's position in the Solar System and its relationship with other celestial bodies.

The orbital radius of 2 Pallas determines how much solar radiation the planet receives, which directly influences its temperature, climate, and overall environmental conditions. This distance places 2 Pallas in a specific region of the Solar System, each with unique characteristics and scientific significance.

When we examine the 2 Pallas semi-major axis 2.77 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.

2 Pallas Mass

Mass of 2 Pallas in kg

The 2 Pallas mass is a fundamental property that determines many of the planet's physical characteristics. The mass of 2 Pallas in kg is approximately 2.11e+20 kg, which is 28303.32× less than Earth's mass. This substantial mass creates a significant gravitational field that influences everything from atmospheric retention to orbital dynamics.

Understanding the 2 Pallas 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 2 Pallas interacts with other celestial bodies through gravitational forces.

The precise measurement of the mass of 2 Pallas 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 understand2 Pallas's formation history and its place in the evolution of our Solar System.

2 Pallas Orbital Period

How Long is a Year on 2 Pallas?

The 2 Pallas orbital period defines the length of one complete revolution around the Sun. The 2 Pallas orbital period is 0.47 hours, which is 18718.57× shorter than Earth's year. This orbital period determines the length of 2 Pallas's year and directly influences seasonal patterns, climate cycles, and temperature variations.

The 2 Pallas 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 2 Pallas takes the time it does to complete one full orbit.

Understanding the 2 Pallas 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 2 Pallas from Earth?

Distance Between 2 Pallas and Earth

How far is 2 Pallas from Earth? This is a question that fascinates both astronomers and space enthusiasts. The distance between 2 Pallas and Earth varies throughout their orbital cycles, but on average, 2 Pallas is approximately 2.65e+8 km(1.772 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 2 Pallas 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 2 Pallas.

The distance between 2 Pallas and Earth is not constant due to the elliptical nature of both planets' orbits. When 2 Pallas 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
545km
Equatorial Radius
0km
Polar Radius
0km
Mass
2.11e+20 kg
Volume
0.00e+0 km³
Density
1g/cm³
Gravity
0m/s²
Escape Velocity
0m/s
Flattening
0
Average Temperature
0.0 K (-273.1 °C)
Axial Tilt
0°
Semimajor Axis
4.15e+8km
Perihelion
3.19e+8km
Aphelion
5.10e+8km
Eccentricity
0.231
Inclination
0°
Sidereal Orbit
0.47 hours
Sidereal Rotation
0 seconds
Mean Anomaly
0°
Argument of Periapsis
0°
Longitude of Ascending Node
0°

Overview of 2 Pallas

2 Pallas is a fascinating asteroid in our Solar System that has captured the attention of astronomers and space enthusiasts alike. With a 2 Pallas radius of 545 km, making it 11.7× 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 4.15e+8 km (2.772 AU) from the Sun, 2 Pallas occupies a significant place in the Solar System's architecture. As an asteroid, 2 Pallas represents the remnants of the early Solar System, providing valuable insights into the formation and evolution of our cosmic neighborhood.

Physical Characteristics

The 2 Pallas physical characteristics reveal a world of remarkable dimensions and properties. The 2 Pallas radius measures 545 km, making it 11.7× smaller than Earth's size. The 2 Pallas mass of 2.11e+20 kg represents 28303.3× smaller than Earth's mass, giving this world substantial gravitational influence.

Orbital Properties

The 2 Pallas orbit reveals fascinating details about its journey around the Sun and its relationship to other Solar System objects. The 2 Pallas orbit has a semimajor axis of 4.15e+8 km (2.772 AU), placing it 2.8× Earth's distance from the Sun. At its closest approach (perihelion), 2 Pallas comes within 3.19e+8 km of the Sun, while at its farthest point (aphelion), it reaches 5.10e+8 km, creating a 46.0% variation in solar distance. The 2 Pallas orbit is moderately elliptical with an eccentricity of 0.231 (13.8× Earth's orbital eccentricity), creating noticeable seasonal variations in solar radiation. The 2 Pallas orbit takes 0.47 hours to complete (18718.6× smaller than Earth's orbital period), defining the length of its year. The orbital inclination of indicates how much the 2 Pallas orbit is tilted relative to the Solar System's ecliptic plane. This low inclination means 2 Pallas follows a path very close to the plane where most planets orbit, suggesting a stable formation history.

Rotation and Tilt

The 2 Pallas rotation and axial orientation provide crucial insights into its daily and seasonal cycles, as well as its orbital dynamics. The 2 Pallas axial tilt of 0° determines the intensity and nature of seasonal variations. With minimal axial tilt, 2 Pallas experiences virtually no seasonal changes, maintaining relatively constant temperatures throughout its year. The orbital orientation parameters reveal additional details about 2 Pallas'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 2 Pallas temperature and atmospheric conditions are fundamental to understanding its habitability and environmental characteristics. The 2 Pallas average temperature of 0.0 K (-273.1 °C) (-459.7°F) provides the baseline for understanding its climate. These extremely cold temperatures make 2 Pallas 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), 2 Pallas presents a dramatically different thermal environment. Being farther from the Sun than Earth, 2 Pallas 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 2 Pallas escape velocity and shape characteristics reveal important details about its gravitational field and rotational dynamics. The 2 Pallas 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 2 Pallas to retain a substantial atmosphere. The 2 Pallas 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 2 Pallas

How big is 2 Pallas compared to Earth?

2 Pallas has a radius of 545 km, making it 11.7× smaller than Earth's size. In terms of volume, 2 Pallas 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 2 Pallas from the Sun?

2 Pallas orbits at an average distance of 4.15e+8 km (2.772 AU) from the Sun, placing it 2.8× 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 2 Pallas?

A year on 2 Pallas lasts 0.47 hours (18718.6× 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 2 Pallas made of?

2 Pallas has a density of 1 g/cm³ (5.5× 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 2 Pallas have seasons?

2 Pallas 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
Heinrich Olbers
Discovery Date
28/03/1802
Raw Data