Kiviuq

Alternative name: Also known as: S/2000 S 5

Moon
Physical Properties
Mean Radius
7km
Equatorial Radius
0km
Polar Radius
0km
Mass
2.79e+15 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
1.11e+7km
Perihelion
0km
Aphelion
0km
Eccentricity
0.334
Inclination
48.7°
Sidereal Orbit
0.12 hours
Sidereal Rotation
0 seconds
Mean Anomaly
0°
Argument of Periapsis
0°
Longitude of Ascending Node
0°

Overview of Kiviuq

Kiviuq is a fascinating moon in our Solar System that has captured the attention of astronomers and space enthusiasts alike. With a Kiviuq radius of 7 km, making it 910.1× 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 1.11e+7 km (0.074 AU) from the Sun, Kiviuq occupies a significant place in the Solar System's architecture. As a moon, Kiviuq demonstrates the incredible diversity of natural satellites that orbit larger celestial bodies throughout our Solar System.

Physical Characteristics

The Kiviuq physical characteristics reveal a world of remarkable dimensions and properties. The Kiviuq radius measures 7 km, making it 910.1× smaller than Earth's size. The Kiviuq mass of 2.79e+15 kg represents 2140501792.1× smaller than Earth's mass, giving this world substantial gravitational influence.

Orbital Properties

The Kiviuq orbit reveals fascinating details about its journey around the Sun and its relationship to other Solar System objects. The Kiviuq orbit has a semimajor axis of 1.11e+7 km (0.074 AU), placing it 13.5× smaller than Earth's distance from the Sun. The Kiviuq orbit is moderately elliptical with an eccentricity of 0.334 (20.0× Earth's orbital eccentricity), creating noticeable seasonal variations in solar radiation. The Kiviuq orbit takes 0.12 hours to complete (70254.1× smaller than Earth's orbital period), defining the length of its year. The orbital inclination of 48.7° indicates how much the Kiviuq orbit is tilted relative to the Solar System's ecliptic plane. This high inclination suggests Kiviuq may have experienced significant gravitational perturbations or formed in a different region of the Solar System.

Rotation and Tilt

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

How big is Kiviuq compared to Earth?

Kiviuq has a radius of 7 km, making it 910.1× smaller than Earth's size. In terms of volume, Kiviuq 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 Kiviuq from the Sun?

Kiviuq orbits at an average distance of 1.11e+7 km (0.074 AU) from the Sun, placing it 13.5× 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 Kiviuq?

A year on Kiviuq lasts 0.12 hours (70254.1× 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 Kiviuq made of?

Kiviuq 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 Kiviuq have seasons?

Kiviuq 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
Brett J. Gladman
Discovery Date
07/08/2000
Raw Data
Orbits AroundParent Body