Get it on Google Play
New! Download Unionpedia on your Android™ device!
Faster access than browser!

4179 Toutatis

Index 4179 Toutatis

4179 Toutatis, provisional designation, is an elongated, stony asteroid and slow rotator, classified as near-Earth object and potentially hazardous asteroid of the Apollo and Alinda group, approximately 2.5 kilometers in diameter. [1]

62 relations: Alinda asteroid, Apollo asteroid, Apparent magnitude, Arecibo Observatory, ArXiv, Asterix, Asteroid, Asteroid spectral types, Astronomer, Astronomical unit, Berlin Philharmonic, Bond albedo, Catchphrase, Celtic polytheism, CERGA Observatory, Chain letter, Chang'e 2, Chaos theory, Christian Pollas, Comics, Degree (angle), Earth, France, Franck Marchis, Goldstone Deep Space Communications Complex, Goldstone Solar System Radar, Gustav Holst, Julian day, Julian year (astronomy), Jupiter, List of asteroid close approaches to Earth, List of Mars-crossing minor planets, List of minor planets and comets visited by spacecraft, List of slow rotators (minor planets), Lost minor planet, Lunar distance (astronomy), Lyapunov exponent, Minimum orbit intersection distance, Moon, Naked eye, Near-Earth object, Orbital inclination, Orbital resonance, Perturbation (astronomy), Potentially hazardous object, Precession, Radar astronomy, Rotation period, Rubble pile, S-type asteroid, ..., Semi-major and semi-minor axes, Siding Spring Survey, Silicate, Sun, Terrestrial planet, The Planetary Society, The Planets, Toutatis, Transit (astronomy), Uncertainty parameter, Wiesław Z. Wiśniewski, Yarkovsky–O'Keefe–Radzievskii–Paddack effect. Expand index (12 more) »

Alinda asteroid

The Alinda asteroids are a dynamical group of asteroids with a semi-major axis of about 2.5 AU and an orbital eccentricity approximately between 0.4 and 0.65.

New!!: 4179 Toutatis and Alinda asteroid · See more »

Apollo asteroid

The Apollo asteroids are a group of near-Earth asteroids named after 1862 Apollo, discovered by German astronomer Karl Reinmuth in the 1930s.

New!!: 4179 Toutatis and Apollo asteroid · See more »

Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

New!!: 4179 Toutatis and Apparent magnitude · See more »

Arecibo Observatory

The Arecibo Observatory is a radio telescope in the municipality of Arecibo, Puerto Rico.

New!!: 4179 Toutatis and Arecibo Observatory · See more »


arXiv (pronounced "archive") is a repository of electronic preprints (known as e-prints) approved for publication after moderation, that consists of scientific papers in the fields of mathematics, physics, astronomy, computer science, quantitative biology, statistics, and quantitative finance, which can be accessed online.

New!!: 4179 Toutatis and ArXiv · See more »


Asterix or The Adventures of Asterix (Astérix or Astérix le Gaulois) is a series of French comics.

New!!: 4179 Toutatis and Asterix · See more »


Asteroids are minor planets, especially those of the inner Solar System.

New!!: 4179 Toutatis and Asteroid · See more »

Asteroid spectral types

An asteroid spectral type is assigned to asteroids based on their emission spectrum, color, and sometimes albedo (reflectivity).

New!!: 4179 Toutatis and Asteroid spectral types · See more »


An astronomer is a scientist in the field of astronomy who concentrates their studies on a specific question or field outside the scope of Earth.

New!!: 4179 Toutatis and Astronomer · See more »

Astronomical unit

The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.

New!!: 4179 Toutatis and Astronomical unit · See more »

Berlin Philharmonic

The Berlin Philharmonic (Berliner Philharmoniker) is a German orchestra based in Berlin.

New!!: 4179 Toutatis and Berlin Philharmonic · See more »

Bond albedo

The Bond albedo, named after the American astronomer George Phillips Bond (1825–1865), who originally proposed it, is the fraction of power in the total electromagnetic radiation incident on an astronomical body that is scattered back out into space.

New!!: 4179 Toutatis and Bond albedo · See more »


A catchphrase (alternatively spelled catch phrase) is a phrase or expression recognized by its repeated utterance.

New!!: 4179 Toutatis and Catchphrase · See more »

Celtic polytheism

Celtic polytheism, commonly known as Celtic paganism, comprises the religious beliefs and practices adhered to by the Iron Age people of Western Europe now known as the Celts, roughly between 500 BCE and 500 CE, spanning the La Tène period and the Roman era, and in the case of the Insular Celts the British and Irish Iron Age.

New!!: 4179 Toutatis and Celtic polytheism · See more »

CERGA Observatory

The CERGA Observatory (Centre de recherches en géodynamique et astrométrie; obs. code: 010) was a scientific department and astronomical station of the Côte d'Azur Observatory in southern France, where several asteroids were discovered during 1984–1993.

New!!: 4179 Toutatis and CERGA Observatory · See more »

Chain letter

A chain letter is a message that attempts to convince the recipient to make a number of copies of the letter and then pass them on to a certain number of recipients (either a predefined number or as many as possible).

New!!: 4179 Toutatis and Chain letter · See more »

Chang'e 2

Chang'e 2 is a Chinese unmanned lunar probe that was launched on 1 October 2010.

New!!: 4179 Toutatis and Chang'e 2 · See more »

Chaos theory

Chaos theory is a branch of mathematics focusing on the behavior of dynamical systems that are highly sensitive to initial conditions.

New!!: 4179 Toutatis and Chaos theory · See more »

Christian Pollas

Christian Pollas (b. 1947) is a French astronomer an discoverer of minor planets and observer of Supernovae.

New!!: 4179 Toutatis and Christian Pollas · See more »


a medium used to express ideas by images, often combined with text or other visual information.

New!!: 4179 Toutatis and Comics · See more »

Degree (angle)

A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.

New!!: 4179 Toutatis and Degree (angle) · See more »


Earth is the third planet from the Sun and the only astronomical object known to harbor life.

New!!: 4179 Toutatis and Earth · See more »


France, officially the French Republic (République française), is a sovereign state whose territory consists of metropolitan France in Western Europe, as well as several overseas regions and territories.

New!!: 4179 Toutatis and France · See more »

Franck Marchis

Franck Marchis (born April 6, 1973 in Caen, France), astronomer and planetary scientist, is best known for his discovery and characterization of multiple asteroids, his study of Io volcanism and imaging of exoplanets, planets around other stars.

New!!: 4179 Toutatis and Franck Marchis · See more »

Goldstone Deep Space Communications Complex

The Goldstone Deep Space Communications Complex (GDSCC), commonly called the Goldstone Observatory, is located in the Mojave Desert near Barstow in the U.S. state of California.

New!!: 4179 Toutatis and Goldstone Deep Space Communications Complex · See more »

Goldstone Solar System Radar

The Goldstone Solar System Radar, or GSSR, is a large radar system used for investigating objects in the Solar system.

New!!: 4179 Toutatis and Goldstone Solar System Radar · See more »

Gustav Holst

Gustav Theodore Holst (born Gustavus Theodore von Holst; 21 September 1874 – 25 May 1934) was an English composer, arranger and teacher.

New!!: 4179 Toutatis and Gustav Holst · See more »

Julian day

Julian day is the continuous count of days since the beginning of the Julian Period and is used primarily by astronomers.

New!!: 4179 Toutatis and Julian day · See more »

Julian year (astronomy)

In astronomy, a Julian year (symbol: a) is a unit of measurement of time defined as exactly 365.25 days of SI seconds each.

New!!: 4179 Toutatis and Julian year (astronomy) · See more »


Jupiter is the fifth planet from the Sun and the largest in the Solar System.

New!!: 4179 Toutatis and Jupiter · See more »

List of asteroid close approaches to Earth

This is a list of examples where an asteroid or meteoroid travels close to the Earth.

New!!: 4179 Toutatis and List of asteroid close approaches to Earth · See more »

List of Mars-crossing minor planets

A Mars-crossing asteroid (MCA, also Mars-crosser, MC) is an asteroid whose orbit crosses that of Mars.

New!!: 4179 Toutatis and List of Mars-crossing minor planets · See more »

List of minor planets and comets visited by spacecraft

The following tables list all minor planets and comets that have been visited by spacecraft.

New!!: 4179 Toutatis and List of minor planets and comets visited by spacecraft · See more »

List of slow rotators (minor planets)

This is a list of slow rotators—minor planets that have an exceptionally long rotation period.

New!!: 4179 Toutatis and List of slow rotators (minor planets) · See more »

Lost minor planet

Lost minor planets are minor planets that observers lose track of due to too short an observation arc to accurately predict the future location of the minor planet.

New!!: 4179 Toutatis and Lost minor planet · See more »

Lunar distance (astronomy)

Lunar distance (LD or \Delta_), also called Earth–Moon distance, Earth–Moon characteristic distance, or distance to the Moon, is a unit of measure in astronomy.

New!!: 4179 Toutatis and Lunar distance (astronomy) · See more »

Lyapunov exponent

In mathematics the Lyapunov exponent or Lyapunov characteristic exponent of a dynamical system is a quantity that characterizes the rate of separation of infinitesimally close trajectories.

New!!: 4179 Toutatis and Lyapunov exponent · See more »

Minimum orbit intersection distance

Minimum orbit intersection distance (MOID) is a measure used in astronomy to assess potential close approaches and collision risks between astronomical objects.

New!!: 4179 Toutatis and Minimum orbit intersection distance · See more »


The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.

New!!: 4179 Toutatis and Moon · See more »

Naked eye

Naked eye, also called bare eye or unaided eye, is the practice of engaging in visual perception unaided by a magnifying or light-collecting optical instrument, such as a telescope or microscope.

New!!: 4179 Toutatis and Naked eye · See more »

Near-Earth object

A near-Earth object (NEO) is any small Solar System body whose orbit can bring it into proximity with Earth.

New!!: 4179 Toutatis and Near-Earth object · See more »

Orbital inclination

Orbital inclination measures the tilt of an object's orbit around a celestial body.

New!!: 4179 Toutatis and Orbital inclination · See more »

Orbital resonance

In celestial mechanics, an orbital resonance occurs when orbiting bodies exert a regular, periodic gravitational influence on each other, usually because their orbital periods are related by a ratio of small integers.

New!!: 4179 Toutatis and Orbital resonance · See more »

Perturbation (astronomy)

In astronomy, perturbation is the complex motion of a massive body subject to forces other than the gravitational attraction of a single other massive body.

New!!: 4179 Toutatis and Perturbation (astronomy) · See more »

Potentially hazardous object

A potentially hazardous object (PHO) is a near-Earth object – either an asteroid or a comet – with an orbit that can make exceptionally close approaches to the Earth and large enough to cause significant regional damage in the event of impact.

New!!: 4179 Toutatis and Potentially hazardous object · See more »


Precession is a change in the orientation of the rotational axis of a rotating body.

New!!: 4179 Toutatis and Precession · See more »

Radar astronomy

Radar astronomy is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and analyzing the reflections.

New!!: 4179 Toutatis and Radar astronomy · See more »

Rotation period

In astronomy, the rotation period of a celestial object is the time that it takes to complete one revolution around its axis of rotation relative to the background stars.

New!!: 4179 Toutatis and Rotation period · See more »

Rubble pile

In astronomy, a rubble pile is a celestial body that is not a monolith, consisting instead of numerous pieces of rock that have coalesced under the influence of gravity.

New!!: 4179 Toutatis and Rubble pile · See more »

S-type asteroid

S-type asteroids are asteroids with a spectral type that is indicative of a silicaceous (i.e. stony) mineralogical composition, hence the name.

New!!: 4179 Toutatis and S-type asteroid · See more »

Semi-major and semi-minor axes

In geometry, the major axis of an ellipse is its longest diameter: a line segment that runs through the center and both foci, with ends at the widest points of the perimeter.

New!!: 4179 Toutatis and Semi-major and semi-minor axes · See more »

Siding Spring Survey

The Siding Spring Survey (SSS) was a near-Earth object search program that used the 0.5 metres Uppsala Southern Schmidt Telescope at Siding Spring Observatory, New South Wales, Australia.

New!!: 4179 Toutatis and Siding Spring Survey · See more »


In chemistry, a silicate is any member of a family of anions consisting of silicon and oxygen, usually with the general formula, where 0 ≤ x Silicate anions are often large polymeric molecules with an extense variety of structures, including chains and rings (as in polymeric metasilicate), double chains (as in, and sheets (as in. In geology and astronomy, the term silicate is used to mean silicate minerals, ionic solids with silicate anions; as well as rock types that consist predominantly of such minerals. In that context, the term also includes the non-ionic compound silicon dioxide (silica, quartz), which would correspond to x.

New!!: 4179 Toutatis and Silicate · See more »


The Sun is the star at the center of the Solar System.

New!!: 4179 Toutatis and Sun · See more »

Terrestrial planet

A terrestrial planet, telluric planet, or rocky planet is a planet that is composed primarily of silicate rocks or metals.

New!!: 4179 Toutatis and Terrestrial planet · See more »

The Planetary Society

The Planetary Society is an American internationally active, non-governmental, nonprofit foundation.

New!!: 4179 Toutatis and The Planetary Society · See more »

The Planets

The Planets, Op.

New!!: 4179 Toutatis and The Planets · See more »


Toutatis or Teutates was a Celtic god worshipped in ancient Gaul and Britain.

New!!: 4179 Toutatis and Toutatis · See more »

Transit (astronomy)

In astronomy, a transit or astronomical transit is the phenomenon of at least one celestial body appearing to move across the face of another celestial body, hiding a small part of it, as seen by an observer at some particular vantage point.

New!!: 4179 Toutatis and Transit (astronomy) · See more »

Uncertainty parameter

The uncertainty parameter U is a parameter introduced by the Minor Planet Center (MPC) to quantify concisely the uncertainty of a perturbed orbital solution for a minor planet.

New!!: 4179 Toutatis and Uncertainty parameter · See more »

Wiesław Z. Wiśniewski

Wiesław Z. Wiśniewski (May 2, 1931 in Poland – February 28, 1994 in Tucson, Arizona, United States) was a Polish astronomer.

New!!: 4179 Toutatis and Wiesław Z. Wiśniewski · See more »

Yarkovsky–O'Keefe–Radzievskii–Paddack effect

The Yarkovsky–O'Keefe–Radzievskii–Paddack effect, or YORP effect for short, changes the rotation state of a small astronomical body – that is, the body's spin rate and the obliquity of its pole(s) – due to the scattering of solar radiation off its surface and the emission of its own thermal radiation.

New!!: 4179 Toutatis and Yarkovsky–O'Keefe–Radzievskii–Paddack effect · See more »

Redirects here:

1989 AC, Asteroid 4179 Toutatis, Toutatis (asteroid), Toutatis-4179.


[1] https://en.wikipedia.org/wiki/4179_Toutatis

Hey! We are on Facebook now! »