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15415 Rika

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15415 Rika, provisional designation, is a bright background asteroid from the Florian region of the inner asteroid belt, approximately in diameter. [1]

38 relations: Absolute magnitude, Akimasa Nakamura, Albedo, Asteroid, Asteroid belt, Asteroid family, Astronomical unit, Degree (angle), Digitized Sky Survey, Ecliptic, Flora family, Honami Suzuki, Japanese television drama, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), Kirkwood gap, Kuma Kogen Astronomical Observatory, Kumakōgen, Ehime, Light curve, Magnitude (astronomy), Minor planet, Minor Planet Center, Observation arc, Orbital eccentricity, Orbital elements, Orbital inclination, Palomar Observatory, Parent body, Photometry (astronomy), Precovery, Proper orbital elements, Rotation period, S-type asteroid, Semi-major and semi-minor axes, Skalnaté pleso Observatory, Tokyo Love Story, Wide-field Infrared Survey Explorer.

Absolute magnitude

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

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Akimasa Nakamura

(born 1961) is a Japanese astronomer.

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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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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 family

An asteroid family is a population of asteroids that share similar proper orbital elements, such as semimajor axis, eccentricity, and orbital inclination.

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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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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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Digitized Sky Survey

The Digitized Sky Survey (DSS) is a digital version of several photographic atlases of the night sky, and an ongoing project to produce more digital versions of photographic astronomical datasets.

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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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Flora family

The Flora or Florian '''family''' of asteroids is a large grouping of S-type asteroids in the inner main belt, whose origin and properties are relatively poorly understood at present.

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Honami Suzuki

is a Japanese actress.

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Japanese television drama

, also called, are television programs that are a staple of Japanese television and are broadcast daily.

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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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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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Kuma Kogen Astronomical Observatory

The Kuma Kogen Astronomical Observatory (Obs. code: 360) is located at Kumakōgen in Ehime Prefecture, Japan.

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Kumakōgen, Ehime

is a town in Kamiukena District, Ehime Prefecture, Japan.

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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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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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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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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 elements

Orbital elements are the parameters required to uniquely identify a specific orbit.

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Orbital inclination

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

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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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Parent body

In meteoritics, a parent body is the celestial body from which originates a meteorite or a class of meteorites.

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Photometry (astronomy)

Photometry is a technique of astronomy concerned with measuring the flux, or intensity of an astronomical object's electromagnetic radiation.

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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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Proper orbital elements

The proper orbital elements of an orbit are constants of motion of an object in space that remain practically unchanged over an astronomically long timescale.

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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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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.

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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.

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Skalnaté pleso Observatory

The Skalnaté pleso Observatory (Observatórium Skalnaté pleso; obs. code: 056) is an astronomical and meteorological observatory in the Tatra Mountains of Slovakia.

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Tokyo Love Story

is a manga by Fumi Saimon.

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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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[1] https://en.wikipedia.org/wiki/15415_Rika

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