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1648 Shajna, the Glossary

1648 Shajna, provisional designation, is a stony asteroid from the inner regions of the asteroid belt, approximately 9 kilometers in diameter.^[1]

36 relations: Absolute magnitude, Albedo, Asteroid, Asteroid belt, Asteroid spectral types, Astronomical unit, Cyril Jackson (astronomer), Degree (angle), Ecliptic, Geneva Observatory, Grigory Shajn, Heidelberg-Königstuhl State Observatory, Hour, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), Kirkwood gap, Light curve, List of minor planet discoverers, Magnitude (astronomy), Minor planet, Minor Planet Center, Observation arc, Orbital eccentricity, Orbital inclination, Palomar Transient Factory, Pelageya Shajn, Rotation period (astronomy), Royal Observatory of Belgium, S-type asteroid, Shayn (crater), Simeiz Observatory, Springer Science+Business Media, Uncertainty parameter, Union Observatory, Wide-field Infrared Survey Explorer.
Astronomical objects discovered in 1935
Discoveries by Pelageya Shajn

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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Albedo

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

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Asteroid

An asteroid is a minor planet—an object that is neither a true planet nor an identified comet— that orbits within the inner Solar System.

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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 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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Cyril Jackson (astronomer)

Cyril V. Jackson (5 December 1903 – February 1988) was a South African astronomer, known for discovering 72 asteroids and a number of comets.

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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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Ecliptic

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

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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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Grigory Shajn

Grigory Abramovich Shajn (Григорий Абрамович Шайн) (April 19, 1892 – August 4, 1956) was a Soviet/Russian astronomer.

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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 historically reckoned as of a day and defined contemporarily as exactly 3,600 seconds (SI).

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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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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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Palomar Transient Factory

The Palomar Transient Factory (PTF, obs. code: I41), was an astronomical survey using a wide-field survey camera designed to search for optical transient and variable sources such as variable stars, supernovae, asteroids and comets.

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Pelageya Shajn

Pelageya Fedorovna Shajn, née Sannikova (Пелагея Фёдоровна Шайн) (22 September 1894 – 27 August 1956), was a Russian astronomer in the Soviet Union, and the first woman credited with the discovery of a minor planet, at the Simeiz Observatory in 1928. 1648 Shajna and Pelageya Shajn are Discoveries by Pelageya Shajn.

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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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Royal Observatory of Belgium

The Royal Observatory of Belgium (Observatoire Royal de Belgique; Koninklijke Sterrenwacht van België) has been situated in the Uccle municipality of Brussels since 1890.

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S-type asteroid

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

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Shayn (crater)

Shayn is an eroded impact crater that lies on the Moon's far side.

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Simeiz Observatory

Simeiz Observatory (also spelled Simeis or Simeïs) was an astronomy research observatory until the mid-1950s.

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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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References

[1] https://en.wikipedia.org/wiki/1648_Shajna

Also known as Shajna.

1648 Shajna, the Glossary

Table of Contents

See also

Astronomical objects discovered in 1935

Discoveries by Pelageya Shajn

References