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1981 Midas

Index 1981 Midas

1981 Midas, provisional designation, is a vestoid asteroid, classified as a near-Earth object and potentially hazardous asteroid, approximately 2 kilometers in diameter. [1]

39 relations: Absolute magnitude, Akari (satellite), Albedo, Apollo asteroid, Apparent magnitude, Asteroid, Asteroid spectral types, Astronomical unit, Charles T. Kowal, Degree (angle), Ecliptic, Goldstone Deep Space Communications Complex, Hour, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), Light curve, List of Mars-crossing minor planets, List of Venus-crossing minor planets, Lunar distance (astronomy), Magnitude (astronomy), Midas, Minimum orbit intersection distance, Minor planet, Minor Planet Center, Near-Earth object, NEODyS, Observation arc, Orbital eccentricity, Orbital inclination, Pactolus, Palomar Observatory, Phrygia, Potentially hazardous object, Precovery, Radar cross-section, Rotation period, Springer Science+Business Media, V-type asteroid.

Absolute magnitude

Absolute magnitude is a measure of the luminosity of a celestial object, on a logarithmic astronomical magnitude scale.

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Akari (satellite)

Akari (ASTRO-F) is an infrared astronomy satellite developed by Japan Aerospace Exploration Agency, in cooperation with institutes of Europe and Korea.

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Albedo

Albedo (albedo, meaning "whiteness") is the measure of the diffuse reflection of solar radiation out of the total solar radiation received by an astronomical body (e.g. a planet like Earth).

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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.

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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.

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Asteroid

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

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Asteroid spectral types

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

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Astronomical unit

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

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Charles T. Kowal

Charles Thomas Kowal (November 8, 1940 – November 28, 2011) was an American astronomer known for his observations and discoveries in the Solar System.

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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.

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Ecliptic

The ecliptic is the circular path on the celestial sphere that the Sun follows over the course of a year; it is the basis of the ecliptic coordinate system.

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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.

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Hour

An hour (symbol: h; also abbreviated hr.) is a unit of time conventionally reckoned as of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.

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Jet Propulsion Laboratory

The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.

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Julian day

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

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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.

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Light curve

In astronomy, a light curve is a graph of light intensity of a celestial object or region, as a function of time.

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List of Mars-crossing minor planets

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

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List of Venus-crossing minor planets

A Venus-crosser is an asteroid whose orbit crosses that of Venus.

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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.

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Magnitude (astronomy)

In astronomy, magnitude is a logarithmic measure of the brightness of an object in a defined passband, often in the visible or infrared spectrum, but sometimes across all wavelengths.

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Midas

Midas (Μίδας) is the name of at least three members of the royal house of Phrygia.

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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.

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Minor planet

A minor planet is an astronomical object in direct orbit around the Sun (or more broadly, any star with a planetary system) that is neither a planet nor exclusively classified as a comet.

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Minor Planet Center

The Minor Planet Center (MPC) is the official worldwide organization in charge of collecting observational data for minor planets (such as asteroids and comets), calculating their orbits and publishing this information via the Minor Planet Circulars.

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Near-Earth object

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

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NEODyS

NEODyS (Near Earth Objects Dynamic Site) is an Italian and Spanish service that provides information on Near Earth Objects with a Web-based interface.

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Observation arc

In observational astronomy, an observation arc (or arc length) is the time period between the first and most recent (last) observation, tracing the body's path.

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Orbital eccentricity

The orbital eccentricity of an astronomical object is a parameter that determines the amount by which its orbit around another body deviates from a perfect circle.

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Orbital inclination

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

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Pactolus

Pactolus (Sart Çayı) is a river near the Aegean coast of Turkey.

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Palomar Observatory

Palomar Observatory is an astronomical observatory located in San Diego County, California, United States, southeast of Los Angeles, California, in the Palomar Mountain Range.

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Phrygia

In Antiquity, Phrygia (Φρυγία, Phrygía, modern pronunciation Frygía; Frigya) was first a kingdom in the west central part of Anatolia, in what is now Asian Turkey, centered on the Sangarios River, later a region, often part of great empires.

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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.

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Precovery

In astronomy, precovery (short for pre-discovery recovery) is the process of finding the image of an object in old archived images or photographic plates for the purpose of calculating a more accurate orbit.

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Radar cross-section

Radar cross-section (RCS) is a measure of how detectable an object is by radar.

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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.

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Springer Science+Business Media

Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

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V-type asteroid

A V-type asteroid or Vestoid is an asteroid whose spectral type is that of 4 Vesta.

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References

[1] https://en.wikipedia.org/wiki/1981_Midas

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