Aegaeon

Alternative name: Also known as: S/2008 S 1

Moon
Physical Properties
Mean Radius
0.5km
Equatorial Radius
0km
Polar Radius
0km
Mass
1.00e+11 kg
Volume
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
167,500km
Perihelion
0km
Aphelion
0km
Eccentricity
0
Inclination
0.001°
Sidereal Orbit
0.00 hours
Sidereal Rotation
0.01 hours
Mean Anomaly
0°
Argument of Periapsis
0°
Longitude of Ascending Node
0°

Overview of Aegaeon

Aegaeon is a fascinating moon in our Solar System that has captured the attention of astronomers and space enthusiasts alike. With a Aegaeon radius of 0.5 km, making it 12742.0× 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 167,500 km (0.001 AU) from the Sun, Aegaeon occupies a significant place in the Solar System's architecture. As a moon, Aegaeon demonstrates the incredible diversity of natural satellites that orbit larger celestial bodies throughout our Solar System.

Physical Characteristics

The Aegaeon physical characteristics reveal a world of remarkable dimensions and properties. The Aegaeon radius measures 0.5 km, making it 12742.0× smaller than Earth's size. The Aegaeon mass of 1.00e+11 kg represents 59720000000000.0× smaller than Earth's mass, giving this world substantial gravitational influence.

Orbital Properties

The Aegaeon orbit reveals fascinating details about its journey around the Sun and its relationship to other Solar System objects. The Aegaeon orbit has a semimajor axis of 167,500 km (0.001 AU), placing it 893.1× smaller than Earth's distance from the Sun. The Aegaeon orbit is nearly circular with an eccentricity of 0 (83.5× smaller than Earth's orbital eccentricity), resulting in relatively stable solar heating throughout its year. The Aegaeon orbit takes 0.00 hours to complete (39057115.7× smaller than Earth's orbital period), defining the length of its year. The orbital inclination of 0.001° indicates how much the Aegaeon orbit is tilted relative to the Solar System's ecliptic plane. This low inclination means Aegaeon follows a path very close to the plane where most planets orbit, suggesting a stable formation history.

Rotation and Tilt

The Aegaeon rotation and axial orientation provide crucial insights into its daily and seasonal cycles, as well as its orbital dynamics. The Aegaeon rotation period of 0.01 hours (4389.4× 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 Aegaeon axial tilt of 0° determines the intensity and nature of seasonal variations. With minimal axial tilt, Aegaeon experiences virtually no seasonal changes, maintaining relatively constant temperatures throughout its year. The orbital orientation parameters reveal additional details about Aegaeon'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 Aegaeon temperature and atmospheric conditions are fundamental to understanding its habitability and environmental characteristics. The Aegaeon average temperature of 0.0 K (-273.1 °C) (-459.7°F) provides the baseline for understanding its climate. These extremely cold temperatures make Aegaeon 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), Aegaeon presents a dramatically different thermal environment. Being closer to the Sun than Earth, Aegaeon receives more intense solar radiation, contributing to its temperature profile.

Escape Velocity & Flattening

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

How big is Aegaeon compared to Earth?

Aegaeon has a radius of 0.5 km, making it 12742.0× smaller than Earth's size. In terms of volume, Aegaeon 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 Aegaeon from the Sun?

Aegaeon orbits at an average distance of 167,500 km (0.001 AU) from the Sun, placing it 893.1× 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 Aegaeon?

A year on Aegaeon lasts 0.00 hours (39057115.7× 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 Aegaeon made of?

Aegaeon 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 Aegaeon have seasons?

Aegaeon 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
Carolyn C. Porco
Discovery Date
15/08/2008
Raw Data
Orbits AroundParent Body