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35 relations: Absolute magnitude, Akari (satellite), Albedo, Asteroid, Asteroid belt, Asteroid spectral types, Astronomical Calculation Institute (Heidelberg University), Astronomical unit, Astronomische Nachrichten, Degree (angle), E-type asteroid, Ecliptic, Geneva Observatory, Heidelberg-Königstuhl State Observatory, Hour, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), Karl Wilhelm Reinmuth, Kirkwood gap, Light curve, List of astronomy journals, List of minor planet discoverers, Magnitude (astronomy), Micrometre, Minor planet, Observation arc, Orbital eccentricity, Orbital inclination, Paul Herget, Rotation period, Springer Science+Business Media, Troilite, Wide-field Infrared Survey Explorer, X-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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Asteroid
Asteroids are minor planets, especially those of the inner Solar System.
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Asteroid belt
The asteroid belt is the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter.
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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 Calculation Institute (Heidelberg University)
The Astronomical Calculation Institute (Astronomisches Rechen-Institut; ARI) is a research institute in Heidelberg, Germany, dating from the 1700s.
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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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Astronomische Nachrichten
Astronomische Nachrichten (Astronomical Notes), one of the first international journals in the field of astronomy, was founded in 1821 by the German astronomer Heinrich Christian Schumacher.
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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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E-type asteroid
E-type asteroids are asteroids thought to have enstatite (MgSiO3) achondrite surfaces.
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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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Geneva Observatory
The Geneva Observatory (Observatoire de Genève, Observatorium von Genf) is an astronomical observatory at Sauverny (CH) in the municipality of Versoix, Canton of Geneva, in Switzerland.
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Heidelberg-Königstuhl State Observatory
Heidelberg-Königstuhl State Observatory (Landessternwarte Heidelberg-Königstuhl) is a historic astronomical observatory located near the summit of the Königstuhl hill in the city of Heidelberg in Germany.
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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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Karl Wilhelm Reinmuth
Karl Wilhelm Reinmuth (April 4, 1892 in Heidelberg – May 6, 1979 in Heidelberg) was a German astronomer and a prolific discoverer of 395 minor planets.
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Kirkwood gap
A Kirkwood gap is a gap or dip in the distribution of the semi-major axes (or equivalently of the orbital periods) of the orbits of main-belt asteroids.
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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 astronomy journals
This is a list of scientific journals publishing articles in astronomy, astrophysics, and space sciences.
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List of minor planet discoverers
This is a list of all astronomers who are credited by the Minor Planet Center (MPC) with the discovery of one or several minor planets.
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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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Micrometre
The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling (SI standard prefix "micro-".
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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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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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Paul Herget
Paul Herget (January 30, 1908 – August 27, 1981) was an American astronomer.
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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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Troilite
Troilite is a rare iron sulfide mineral with the simple formula of FeS.
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Wide-field Infrared Survey Explorer
Wide-field Infrared Survey Explorer (WISE) is a NASA infrared-wavelength astronomical space telescope launched in December 2009, and placed in hibernation in February 2011.
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X-type asteroid
The X-group of asteroids collects together several types with similar spectra, but probably quite different compositions.
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References
[1] https://en.wikipedia.org/wiki/1155_Aënna
