NationMaster - Encyclopedia: 229 Adelinda

229 Adelinda is a large, dark outer Main belt asteroid. It is classified as a C-type asteroid and is probably composed of primitive carbonaceous material. Johann Palisa (December 6, 1848 â€“ May 2, 1925) was an Austrian astronomer, born in Troppau in Austrian Silesia (now in the Czech Republic). ... August 22 is the 234th day of the year in the Gregorian calendar (235th in leap years), with 131 days remaining. ... Year 1882 (MDCCCLXXXII) was a common year starting on Sunday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Tuesday of the 12-day slower Julian calendar). ... Provisional designation of in astronomy is the naming convention applied to astronomical objects immediately following their discovery. ... For details on the physical properties of bodies in the asteroid belt see Asteroid and Main-belt comet. ... 65 Cybele (sib-a-lee) is one of the largest asteroids in the main belt. ... Two bodies with a slight difference in mass orbiting around a common barycenter. ... In astronomy, an epoch is a moment in time for which celestial coordinates or orbital elements are specified. ... January 30 is the 30th day of the year in the Gregorian calendar. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... The Julian day or Julian day number (JDN) is the (integer) number of days that have elapsed since Monday, January 1, 4713 BC in the proleptic Julian calendar [1]. That day is counted as Julian day zero. ... A diagram of Keplerian orbital elements. ... A diagram of Keplerian orbital elements. ... The semi-major axis of an ellipse In geometry, the term semi-major axis (also semimajor axis) is used to describe the dimensions of ellipses and hyperbolae. ... Look up giga- in Wiktionary, the free dictionary. ... The metre (or meter, see spelling differences) is a measure of length. ... The astronomical unit (AU or au or a. ... (This page refers to eccitricity in astrodynamics. ... The orbital period is the time it takes a planet (or another object) to make one full orbit. ... Look up day in Wiktionary, the free dictionary. ... In astronomy, a Julian year is a unit of time defined as exactly 365. ... The orbital speed of a body, generally a planet, a natural satellite, an artificial satellite, or a multiple star, is the speed at which it orbits around the barycenter of a system, usually around a more massive body. ... Look up second in Wiktionary, the free dictionary. ... 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. ... Inclination in general is the angle between a reference plane and another plane or axis of direction. ... A degree (in full, a degree of arc, arc degree, or arcdegree), usually symbolized Â°, is a measurement of plane angle, representing 1ï¼360 of a full rotation. ... The Longitude of the ascending node (â˜Š, also noted Î©) is one of the orbital elements used to specify the orbit of an object in space. ... The argument of periapsis (Ï‰) is the orbital element describing the angle between an orbiting bodys ascending node (the point where the body crosses the plane of reference from South to North) and its periapsis (the point of closest approach to the central body), measured in the orbital plane and... Unsolved problems in physics: What causes anything to have mass? The U.S. National Prototype Kilogram, which currently serves as the primary standard for measuring mass in the U.S. Mass is the property of a physical object that quantifies the amount of matter and energy it is equivalent to. ... In physics, density is mass m per unit volume V. For the common case of a homogeneous substance, it is expressed as: where, in SI units: Ï (rho) is the density of the substance, measured in kgÂ·m-3 m is the mass of the substance, measured in kg V is... The surface gravity of a Killing horizon is the acceleration, as exerted at infinity, needed to keep an object at the horizon. ... Space Shuttle Atlantis launches on mission STS-71. ... In astronomy, a rotation period is the time an astronomical object takes to complete one revolution around its rotation axis. ... The hour (symbol: h) is a unit of time. ... Albedo is the ratio of reflected to incident electromagnetic radiation power. ... Fig. ... C-type asteroids are carbonaceous asteroids. ... In astronomy, absolute magnitude is the apparent magnitude, m, an object would have if it were at a standard luminosity distance away from us, in the absence of interstellar extinction. ... For details on the physical properties of bodies in the asteroid belt see Asteroid and Main-belt comet. ... It has been suggested that minor planet be merged into this article or section. ... C-type asteroids are carbonaceous asteroids. ... This article belongs in one or more categories. ...

It is part of the Cybele asteroid group and probably in 4:7 orbital resonance with planet Jupiter. 65 Cybele (sib-a-lee) is one of the largest asteroids in the main belt. ... In celestial mechanics, an orbital resonance occurs when two orbiting bodies exert a regular, periodic gravitational influence on each other. ... The eight planets and three dwarf planets of the Solar System. ... Atmospheric characteristics Atmospheric pressure 70 kPa Hydrogen ~86% Helium ~14% Methane 0. ...

It was discovered by Johann Palisa on August 22, 1882 in Vienna. Johann Palisa (December 6, 1848 â€“ May 2, 1925) was an Austrian astronomer, born in Troppau in Austrian Silesia (now in the Czech Republic). ... August 22 is the 234th day of the year in the Gregorian calendar (235th in leap years), with 131 days remaining. ... Year 1882 (MDCCCLXXXII) was a common year starting on Sunday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Tuesday of the 12-day slower Julian calendar). ... Vienna (German: , see also other names) is the capital of Austria, and also one of the nine States of Austria. ...

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Small Solar System bodies

Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud) Minor planets, or asteroids or planetoids, are minor celestial bodies of the Solar system orbiting the Sun (mostly Small solar system bodies) that are smaller than major planets, but larger than meteoroids (commonly defined as being 10 meters across or less[1]), and that are not comets. ... 228 Agathe is a small Main belt asteroid. ... 230 Athamantis is a fairly large Main belt asteroid. ... This is a list of numbered minor planets, nearly all of the asteroids, in sequential order. ... A Small Solar System Body (SSSB) is a term defined in 2006 by the International Astronomical Union to describe objects in the Solar System that are neither planets nor dwarf planets: [1] This encompasses: all minor planets apart from the dwarf planets, : the classical asteroids, (except for 1 Ceres, the... Vulcanoids are hypothetical asteroids that may orbit in a dynamically stable zone between 0. ... Near-Earth asteroids (NEAs) are asteroids whose orbits are close to Earths orbit. ... For details on the physical properties of bodies in the asteroid belt see Asteroid and Main-belt comet. ... Image of the Trojan asteroids in front of and behind Jupiter along its orbital path. ... The centaurs are a class of icy planetoids that orbit the Sun between Jupiter and Neptune, named after the mythical race of centaurs. ... Damocloids are asteroids such as 5335 Damocles and 1996 PW that have long-period highly eccentric orbits typical of periodic comets such as 1P/Halley, but without showing a cometary coma or tail. ... Comet Hale-Bopp Comet McNaught as seen from Swifts Creek, Victoria, Australia on 23 January 2007 A comet is a small body in the solar system that orbits the Sun and (at least occasionally) exhibits a coma (or atmosphere) and/or a tail â€” both primarily from the effects of... A trans-Neptunian object (TNO) is any object in the solar system that orbits the sun at a greater distance on average than Neptune. ... Artists rendering of the Kuiper Belt and hypothetical more distant Oort cloud. ... The scattered disc (or scattered disk) is a distant region of our solar system, thinly populated by icy planetoids known as scattered disk objects (SDOs), a subset of the broader family of trans-Neptunian objects (TNOs). ... This image is an artists rendering of the Oort cloud and the Kuiper Belt. ...

For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names. 243 Ida and its moon Dactyl An asteroid moon is an asteroid that orbits another asteroid. ... Major features of the Solar System (not to scale; from left to right): Pluto, Neptune, Uranus, Saturn, Jupiter, the asteroid belt, the Sun, Mercury, Venus, Earth and its Moon, and Mars. ... This is a list of numbered minor planets, nearly all of the asteroids, in sequential order. ... This page alphabetically lists the first thousand asteroids to be numbered, which are mostly in the main belt. ... This is a list of named asteroids, with links to the Wikipedia articles on the people, places, characters and concepts that they are named after. ...

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