Callirrhoe

Alternative name: Also known as: S/1999 J 1

Moon
Callirrhoe Radius

Radius of Callirrhoe

The radius of Callirrhoe is one of its most fundamental physical characteristics. The Callirrhoe radius measures approximately 4 km, making it 1592.75× smaller than Earth. This measurement represents the average distance from the center of Callirrhoe to its surface, providing crucial information about the celestial body's size and volume.

Understanding the Callirrhoe 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.

Callirrhoe Semi-Major Axis

Orbital Radius of Callirrhoe

The Callirrhoe semi-major axis is a critical orbital parameter that defines the average distance from the Sun. The Callirrhoe semi-major axis measures 0.16 AU (approximately 2.41e+7 km), which represents the average orbital radius of Callirrhoe. This measurement is fundamental to understanding Callirrhoe's position in the Solar System and its relationship with other celestial bodies.

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

When we examine the Callirrhoe semi-major axis 0.16 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.

Callirrhoe Mass

Mass of Callirrhoe in kg

The Callirrhoe mass is a fundamental property that determines many of the planet's physical characteristics. The mass of Callirrhoe in kg is approximately 8.70e+14 kg, which is 6864367816.09× less than Earth's mass. This substantial mass creates a significant gravitational field that influences everything from atmospheric retention to orbital dynamics.

Understanding the Callirrhoe 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 Callirrhoe interacts with other celestial bodies through gravitational forces.

The precise measurement of the mass of Callirrhoe 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 understandCallirrhoe's formation history and its place in the evolution of our Solar System.

Callirrhoe Orbital Period

How Long is a Year on Callirrhoe?

The Callirrhoe orbital period defines the length of one complete revolution around the Sun. The Callirrhoe orbital period is 0.21 hours, which is 41589.55× shorter than Earth's year. This orbital period determines the length of Callirrhoe's year and directly influences seasonal patterns, climate cycles, and temperature variations.

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

Understanding the Callirrhoe 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 Callirrhoe from Earth?

Distance Between Callirrhoe and Earth

How far is Callirrhoe from Earth? This is a question that fascinates both astronomers and space enthusiasts. The distance between Callirrhoe and Earth varies throughout their orbital cycles, but on average, Callirrhoe is approximately 1.25e+8 km(0.839 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 Callirrhoe 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 Callirrhoe.

The distance between Callirrhoe and Earth is not constant due to the elliptical nature of both planets' orbits. When Callirrhoe 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
4km
Equatorial Radius
4.3km
Polar Radius
0km
Mass
8.70e+14 kg
Volume
0.00e+0 km³
Density
1g/cm³
Gravity
0.003m/s²
Escape Velocity
0m/s
Flattening
0
Average Temperature
0.0 K (-273.1 °C)
Axial Tilt
0°
Semimajor Axis
2.41e+7km
Perihelion
0km
Aphelion
0km
Eccentricity
0.283
Inclination
147.1°
Sidereal Orbit
0.21 hours
Sidereal Rotation
0 seconds
Mean Anomaly
0°
Argument of Periapsis
0°
Longitude of Ascending Node
0°

Overview of Callirrhoe

Callirrhoe is a fascinating moon in our Solar System that has captured the attention of astronomers and space enthusiasts alike. With a Callirrhoe radius of 4 km, making it 1592.8× 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 2.41e+7 km (0.161 AU) from the Sun, Callirrhoe occupies a significant place in the Solar System's architecture. As a moon, Callirrhoe demonstrates the incredible diversity of natural satellites that orbit larger celestial bodies throughout our Solar System.

Physical Characteristics

The Callirrhoe physical characteristics reveal a world of remarkable dimensions and properties. The Callirrhoe radius measures 4 km, making it 1592.8× smaller than Earth's size. The Callirrhoe mass of 8.70e+14 kg represents 6864367816.1× smaller than Earth's mass, giving this world substantial gravitational influence. The Callirrhoe density of 1 g/cm³ (5.5× smaller than Earth's density) provides clues about its internal composition, while the surface gravity of 0.003 m/s² (3164.5× smaller than Earth's gravity) determines how objects behave on its surface. The low density indicates a composition dominated by lighter elements, characteristic of gas giants or icy bodies.

Orbital Properties

The Callirrhoe orbit reveals fascinating details about its journey around the Sun and its relationship to other Solar System objects. The Callirrhoe orbit has a semimajor axis of 2.41e+7 km (0.161 AU), placing it 6.2× smaller than Earth's distance from the Sun. The Callirrhoe orbit is moderately elliptical with an eccentricity of 0.283 (16.9× Earth's orbital eccentricity), creating noticeable seasonal variations in solar radiation. The Callirrhoe orbit takes 0.21 hours to complete (41589.5× smaller than Earth's orbital period), defining the length of its year. The orbital inclination of 147.1° indicates how much the Callirrhoe orbit is tilted relative to the Solar System's ecliptic plane. This high inclination suggests Callirrhoe may have experienced significant gravitational perturbations or formed in a different region of the Solar System.

Rotation and Tilt

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

Escape Velocity & Flattening

The Callirrhoe escape velocity and shape characteristics reveal important details about its gravitational field and rotational dynamics. The Callirrhoe 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 Callirrhoe to retain a substantial atmosphere. The Callirrhoe 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 Callirrhoe

What is the gravity on Callirrhoe?

The gravity on Callirrhoe is 0.003 m/s² (3164.5× 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 0.0 kg on Callirrhoe.

How big is Callirrhoe compared to Earth?

Callirrhoe has a radius of 4 km, making it 1592.8× smaller than Earth's size. In terms of volume, Callirrhoe 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 Callirrhoe from the Sun?

Callirrhoe orbits at an average distance of 2.41e+7 km (0.161 AU) from the Sun, placing it 6.2× 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 Callirrhoe?

A year on Callirrhoe lasts 0.21 hours (41589.5× 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 Callirrhoe made of?

Callirrhoe 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 Callirrhoe have seasons?

Callirrhoe 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
J.V. Scott
Discovery Date
06/10/1999
Raw Data