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1103 Sequoia, the Glossary

Index 1103 Sequoia

1103 Sequoia (''prov. designation'') is a bright Hungaria asteroid from the innermost region of the asteroid belt, approximately in diameter. It was discovered on 9 November 1928, by German astronomer Walter Baade at the Bergedorf Observatory in Hamburg, Germany, who named it after the Sequoia National Park located in California.[1]

Table of Contents

  1. 45 relations: Absolute magnitude, Akari (satellite), Albedo, Asteroid belt, Asteroid family, Asteroid spectral types, Astronomical unit, Brian D. Warner, Center of Research in Astronomy, Astrophysics, and Geophysics, Degree (angle), E-type asteroid, Ecliptic, Ecliptic coordinate system, Geneva Observatory, Hamburg Observatory, Hour, Hungaria asteroids, Hungaria family, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), K-type asteroid, Kirkwood gap, Light curve, List of minor planet discoverers, Magnitude (astronomy), Minor planet, Minor Planet Center, Observation arc, Orbital eccentricity, Orbital inclination, Paul Herget, Petr Pravec, Poles of astronomical bodies, Provisional designation in astronomy, Rotation period (astronomy), Semi-major and semi-minor axes, Sequoia National Park, Sequoiadendron giganteum, Solar System, Springer Science+Business Media, Vincenzo Silvano Casulli, Walter Baade, Wide-field Infrared Survey Explorer, X-type asteroid.

  2. Astronomical objects discovered in 1928
  3. Discoveries by Walter Baade
  4. E-type asteroids (Tholen)
  5. Xk-type asteroids (SMASS)

Absolute magnitude

In astronomy, absolute magnitude is a measure of the luminosity of a celestial object on an inverse logarithmic astronomical magnitude scale.

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Akari (satellite)

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

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Albedo

Albedo is the fraction of sunlight that is diffusely reflected by a body.

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Asteroid belt

The asteroid belt is a torus-shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars.

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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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Asteroid spectral types

An asteroid spectral type is assigned to asteroids based on their reflectance spectrum, color, and sometimes albedo.

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Astronomical unit

The astronomical unit (symbol: au, or AU) is a unit of length defined to be exactly equal to.

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Brian D. Warner

Brian Dale Warner (born 1952) is an American amateur astronomer and computer programmer.

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Center of Research in Astronomy, Astrophysics, and Geophysics

The Algiers Observatory was built in the late 19th century in the Algiers suburb of Bouzaréah, Algeria, North Africa.

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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 in which one full rotation is 360 degrees.

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E-type asteroid

E-type asteroids are asteroids thought to have enstatite (MgSiO3) achondrite surfaces. 1103 Sequoia and e-type asteroid are e-type asteroids (Tholen).

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Ecliptic

The ecliptic or ecliptic plane is the orbital plane of Earth around the Sun.

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Ecliptic coordinate system

In astronomy, the ecliptic coordinate system is a celestial coordinate system commonly used for representing the apparent positions, orbits, and pole orientations of Solar System objects.

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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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Hamburg Observatory

Hamburg Observatory (Hamburger Sternwarte) is an astronomical observatory located in the Bergedorf borough of the city of Hamburg in northern Germany.

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Hour

An hour (symbol: h; also abbreviated hr) is a unit of time historically reckoned as of a day and defined contemporarily as exactly 3,600 seconds (SI).

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Hungaria asteroids

The Hungaria asteroids, also known as the Hungaria group, are a dynamical group of asteroids in the asteroid belt which orbit the Sun with a semi-major axis (longest radius of an ellipse) between 1.78 and 2.00 astronomical units (AU).

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Hungaria family

The Hungaria family (003) is a collisional asteroid family of at least 2,966 known asteroids, named for its largest member, the -across asteroid 434 Hungaria. 1103 Sequoia and Hungaria family are Hungaria asteroids.

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Jet Propulsion Laboratory

Jet Propulsion Laboratory (JPL) is a Federally Funded Research and Development Center (FFRDC) in La Cañada Flintridge, California, Crescenta Valley, United States.

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Julian day

The Julian day is the continuous count of days since the beginning of the Julian period, and is used primarily by astronomers, and in software for easily calculating elapsed days between two events (e.g. food production date and sell by date).

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Julian year (astronomy)

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

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K-type asteroid

K-type asteroids are relatively uncommon asteroids with a moderately reddish spectrum shortwards of 0.75 μm, and a slight bluish trend longwards of this.

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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 the light intensity of a celestial object or region as a function of time, typically with the magnitude of light received on the y-axis and with time on the x-axis.

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List of minor planet discoverers

This is a list of minor-planet discoverers credited by the Minor Planet Center with the discovery of one or several minor planets (such as near-Earth and main-belt asteroids, Jupiter trojans and distant objects).

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Magnitude (astronomy)

In astronomy, magnitude is measure of the brightness of an object, usually in a defined passband.

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Minor planet

According to the International Astronomical Union (IAU), a minor planet is an astronomical object in direct orbit around the Sun that is exclusively classified as neither a planet nor a comet.

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Minor Planet Center

The Minor Planet Center (MPC) is the official body for observing and reporting on minor planets under the auspices of the International Astronomical Union (IAU).

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Observation arc

In observational astronomy, the observation arc (or arc length) of a Solar System body is the time period between its earliest and latest observations, used for tracing the body's path.

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Orbital eccentricity

In astrodynamics, the orbital eccentricity of an astronomical object is a dimensionless 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 and director of the Cincinnati Observatory, who established the Minor Planet Center after World War II.

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Petr Pravec

Petr Pravec (born September 17, 1967) is a Czech astronomer and a discoverer of minor planets, born in Třinec, Czech Republic.

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Poles of astronomical bodies

The poles of astronomical bodies are determined based on their axis of rotation in relation to the celestial poles of the celestial sphere.

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Provisional designation in astronomy

Provisional designation in astronomy is the naming convention applied to astronomical objects immediately following their discovery.

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Rotation period (astronomy)

In astronomy, the rotation period or spin period of a celestial object (e.g., star, planet, moon, asteroid) has two definitions.

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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 two most widely separated points of the perimeter.

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Sequoia National Park

Sequoia National Park is an American national park in the southern Sierra Nevada east of Visalia, California.

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Sequoiadendron giganteum

Sequoiadendron giganteum, also known as the giant sequoia, giant redwood or Sierra redwood is a coniferous tree, classified in the family Cupressaceae in the subfamily Sequoioideae.

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Solar System

The Solar SystemCapitalization of the name varies.

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Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

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Vincenzo Silvano Casulli

Vincenzo Silvano Casulli, usually known as Silvano Casulli (25 August 1944 – 24 July 2018) was an Italian amateur astronomer and a discoverer of minor planets at his Vallemare di Borbona Observatory in Lazio.

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Walter Baade

Wilhelm Heinrich Walter Baade (March 24, 1893 – June 25, 1960) was a German astronomer who worked in the United States from 1931 to 1959. 1103 Sequoia and Walter Baade are Discoveries by Walter Baade.

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Wide-field Infrared Survey Explorer

Wide-field Infrared Survey Explorer (WISE, observatory code C51, Explorer 92 and MIDEX-6) is a NASA infrared astronomy space telescope in the Explorers Program launched in December 2009.

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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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See also

Astronomical objects discovered in 1928

Discoveries by Walter Baade

E-type asteroids (Tholen)

Xk-type asteroids (SMASS)

References

[1] https://en.wikipedia.org/wiki/1103_Sequoia