10 Hygiea (hye-jee'-a or hi-jee'-a) is the fourth largest Main belt asteroid with a diameter of 407 km. The dark-coloured surface makes the asteroid dimmer than the size would imply —it is the fourth largest main belt asteroid. Annibale de Gasparis (April 9, 1819 – March 21, 1892) was an Italian astronomer. ... April 12 is the 102nd day of the year in the Gregorian calendar (103rd in leap years). ... 1849 was a common year starting on Monday (see link for calendar). ... The provisional designation of comets and asteroids are similar to each other: they both follow a pattern set in 1925 by the Minor Planet Center of the IAU. Historical designations At first, astronomers strove to assign symbols to the minor planets: 1 Ceres a stylized sickle 2 Pallas a lozenge... Minor planets, or planetoids are minor bodies of the solar system orbiting the sun that are larger than meteoroids (the largest of which might be taken to be around 10 meters or so across) but smaller than major planets (Mercury having a diameter of about 4880 km). ... Image of the main asteroid belt between the orbits of Mars and Jupiter. ... In astronomy, an epoch is a moment in time for which celestial coordinates or orbital elements are specified. ... July 14 is the 195th day (196th in leap years) of the year in the Gregorian Calendar, with 170 days remaining. ... 2004 is a leap year starting on Thursday of the Gregorian calendar. ... The Julian day or Julian day number (JDN) is the number of SI days that have elapsed since 12 noon Greenwich Mean Time (UT or TT) on Monday, January 1, 4713 BC in the proleptic Julian calendar 1. ... (This page refers to eccitricity in astrodynamics. ... In geometry, the semi-major axis (also semimajor axis) a applies to ellipses and hyperbolas. ... Giga (symbol: G) is a prefix in the SI system of units denoting 109, or 1 000 000 000. ... The metre, or meter, is the basic unit of length in the International System of Units (SI: Système International dUnités). ... 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. ... This article is about several astronomical terms (apogee & perigee, aphelion & perihelion, generic equivalents based on apsis, and related but rarer terms. ... The orbital period is the time it takes a planet (or another object) to make one full orbit. ... A day is any of several different units of time. ... A Julian year is the length of an average year in the Julian calendar, 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. ... The second (symbol s) is a unit for time, and one of seven SI base units. ... 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. ... A degree (or in full a degree of arc), usually symbolized °, is a measurement of plane angle, representing 1/360 of a full rotation. ... 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. ... Mass is a property of physical objects that, roughly speaking, measures the amount of matter they contain. ... The international prototype, made of platinum-iridium, which is kept at the BIPM under conditions specified by the 1st CGPM in 1889. ... Density (symbol: ρ - Greek: rho) is a measure of mass per unit of volume. ... A cubic centimetre (cm3) is an SI derived unit of volume, equal to the volume of a cube with side length of 1 centi metre. ... It has been suggested that Law of universal gravitation be merged into this article or section. ... In physics, for a given gravitational field and a given position, the escape velocity is the minimum speed an object without propulsion, at that position, needs to have to move away indefinitely from the source of the field, as opposed to falling back or staying in an orbit within a... In astronomy, a rotation period is the time an astronomical object takes to complete one revolution around its rotation axis. ... An asteroid is a small, solid object in our Solar System, orbiting the Sun. ... C-type asteroids are carbonaceous asteroids. ... In astronomy, absolute magnitude is the apparent magnitude, m, an object would have if it were at a standardized distance away. ... The albedo is a measure of reflectivity of a surface or body. ... Temperature is the physical property of a system which underlies the common notions of hot and cold; the material with the higher temperature is said to be hotter. ... The kelvin (symbol: K) is the SI unit of temperature, and is one of the seven SI base units. ... The asteroid belt is a region of the solar system falling roughly between the planets Mars and Jupiter where the greatest concentration of asteroid orbits can be found. ... An asteroid is a small, solid object in our Solar System, orbiting the Sun. ... A kilometre (American spelling: kilometer, symbol: km) is a unit of length equal to 1000 metres (from the Greek words khilia = thousand and metro = count/measure). ...

The first 10 asteroids profiled against Earth's Moon.

Hygiea is composed of primitive carbonaceous material similar to the chondrite meteorites. It is the main member of the Hygiea family. Image File history File links The first 10 asteroids profiled against the Earths Moon. ... Image File history File links The first 10 asteroids profiled against the Earths Moon. ... Crust composition Oxygen 43% Silicon 21% Aluminium 10% Calcium 9% Iron 9% Magnesium 5% Titanium 2% Nickel 0. ... Carbonate is an anion with a charge of -2 and an empirical formula of CO32-. For an aqueous solution, carbonate exists in three forms. ... Chondrules in the chondrite Grassland. ... Bacubirito in Culiacan, Mexico is the second largest meteorite in the Americas, and fifth largest in the world A meteorite is a small extraterrestrial body that reaches the Earths surface. ...

It was discovered by A. de Gasparis on April 12, 1849 in Naples, Italy. It was his first of many asteroid discoveries. Annibale de Gasparis (April 9, 1819 – March 21, 1892) was an Italian astronomer. ... April 12 is the 102nd day of the year in the Gregorian calendar (103rd in leap years). ... 1849 was a common year starting on Monday (see link for calendar). ... Location within Italy Naples (Italian Napoli, Neapolitan Napule, from Greek Νέα Πόλις - Néa Pólis - meaning New City) is the largest city in southern Italy and capital of Campania Region. ...

It is named after Hygieia, the greek goddess of health, daughter of Asclepius (Aesculapius for the Romans). De Gasparis let his friend Ernesto Capocci name the asteroid to thank him for his encouragement. In Greek mythology, Hygieia (Roman equivalent: Salus) was a daughter of Asclepius. ... Greek mythology comprises the collected legends of Greek gods, goddesses, heroes, and heroines, originally created and spread within an oral-poetic tradition. ... Asclepius (Greek also rendered Aesculapius in Latin and transliterated Asklepios) was the god of medicine and healing in ancient Greek mythology, according to which he was born a mortal but was given immortality as the constellation Ophiuchus after his death. ... Asclepius was the god of medicine and healing in ancient Greek mythology, according to which he was born a mortal but was given immortality as the constellation Ophiuchus after his death. ...

The Hubble Space Telescope was able to resolve the spherical shape of the asteroid. So far there are 5 observed stellar occultations by 10 Hygiea. The Hubble Space Telescope is a telescope in orbit around the Earth. ... The Pleiades star cluster A star is any massive gaseous body in outer space. ... In this July, 1997 still frame captured from video, the bright star Aldebaran has just reappeared on the dark limb of the waning crescent moon in this predawn occultation. ...

Aspects

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