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Encyclopedia > 482 Petrina
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482 Petrina

Name
Name Petrina
Designation 1902 HT
Discovery
Discoverer Max Wolf
Discovery date March 3, 1902
Discovery site Heidelberg
Orbital elements
Epoch August 18, 2005 (JDCT 2453600.5)
Eccentricity (e) 0.103
Semimajor axis (a) 2.996 AU
Perihelion (q) 2.687 AU
Aphelion (Q) 3.304 AU
Orbital period (P) 5.185 a
Inclination (i) 14.475°
Longitude of the ascending node (Ω) 179.565°
Argument of Perihelion (ω) 88.605°
Mean anomaly (M) 245.740°

482 Petrina is a minor planet orbiting Sun. Maximilian Franz Joseph Cornelius Wolf (June 21, 1863 – October 3, 1932) was a German astronomer. ... Jump to: navigation, search March 3 is the 62nd day of the year in the Gregorian Calendar (63rd in leap years). ... Jump to: navigation, search 1902 was a common year starting on Wednesday (see link for calendar). ... Jump to: navigation, search Map of Germany showing Heidelberg Heidelberg (halfway between Stuttgart and Frankfurt) is a city in Baden-Württemberg, Germany. ... In astronomy, an epoch is a moment in time for which celestial coordinates or orbital elements are specified. ... August 18 is the 230th day of the year (231st in leap years) in the Gregorian calendar. ... Jump to: navigation, search 2005 (MMV) is a common year starting on Saturday of the Gregorian calendar. ... Jump to: navigation, search The Julian day or Julian day number (JDN) is the number of days that have elapsed since 12 noon Greenwich Mean Time (UT or TT) on Monday, January 1, 4713 BC in the proleptic Julian calendar . ... In astrodynamics, under standard assumptions any orbit must be of conic section shape. ... In geometry, the semi-major axis (also semimajor axis) a applies to ellipses and hyperbolas. ... Jump to: navigation, search The astronomical unit (AU or au or a. ... This article is about several astronomical terms (apogee & perigee, aphelion & perihelion, generic equivalents based on apsis, and related but rarer terms. ... Jump to: navigation, search The astronomical unit (AU or au or a. ... This article is about several astronomical terms (apogee & perigee, aphelion & perihelion, generic equivalents based on apsis, and related but rarer terms. ... Jump to: navigation, search The astronomical unit (AU or au or a. ... The orbital period is the time it takes a planet (or another object) to make one full orbit. ... A Julian year is the length of an average year in the Julian calendar, 365. ... Inclination is one of the six orbital parameters describing the shape and orientation of a celestial orbit and is the angular distance of the orbital plane from the plane of the reference (usually planets equator or the ecliptic), stated in degrees. ... The Longitude of the ascending node () is one of the orbital elements used to specify the orbit of an object in space. ... The argument of the perihelion is one of the orbital elements describing the orbit of a planet. ... In the study of orbital dynamics the mean anomaly is a measure of time, specific to the orbiting body p, which is a multiple of 2π radians at and only at periapsis. ... Jump to: navigation, search Minor planets, or planetoids are minor bodies of the Solar system orbiting the Sun (or of other planetary systems orbiting other stars) that are larger than meteoroids (the largest of which might be taken to be around 10 meters or so across) but smaller than major... Jump to: navigation, search The Sun is the star at the centre of our Solar system. ...

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The minor planetsedit
Vulcanoids | Main belt | Groups and families | Near-Earth objects | Jupiter Trojans
Centaurs | Damocloids | Comets | Trans-Neptunians (Kuiper belt | Scattered disc | Oort cloud)
For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system
For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.

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JITE Volume 36, Number 1 - Book Review (6882 words)
The discipline of technology is, strictly speaking, a fabrication contrived by industrial arts educators confronted with disciplinary doctrine and subjugation since the early 1960s (Petrina, 1998).
Petrina is Assistant Professor and Coordinator of the Technology Studies Education Area, University of British Columbia, Vancouver, Canada.
Petrina, S. Diversity, not uniformity; united, not standardized: A reaction to Wright's challenge to all technology educators.
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