221 Eos is a rather large Main belt asteroid. It is classified as a K-type asteroid. Johann Palisa (December 6, 1848 – May 2, 1925) was an Austrian astronomer, born in Opava, Czech Republic (then part of the Austrian Empire). ... January 18 is the 18th day of the year in the Gregorian Calendar. ... 1882 was a common year starting on Sunday (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 planet is the official term for asteroids and trans-Neptunian objects. ... 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. ... Eos family is a prominent family of asteroids that are believed to have formed as a result from an ancient catastrophic collision between asteroids. ... 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 is a common year starting on Saturday of the Gregorian calendar. ... 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; or November 24, 4714 BC in the proleptic Gregorian calendar). ... (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 (American spelling: meter), symbol: m, is the basic unit of distance (or of length, in the parlance of the physical sciences) in the International System of Units. ... 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. ... This article is about the unit of time. ... 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. ... This article describes degree as a unit of angle. ... 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. ... Density (symbol: ρ - Greek: rho) is a measure of mass per unit of volume. ... Gravitation is the tendency of masses to move toward each other. ... Escape Velocity means two things: the term escape velocity in physics the computer game Escape Velocity This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... In astronomy, a rotation period is the time an astronomical object takes to complete one revolution around its rotation axis. ... The hour was originally defined in Egypt as 1/24 of a day, based on their duo-decimal numbering system (which counted finger joints on each hand). ... An asteroid is a small, solid object in our Solar System, orbiting the Sun. ... The spectrum of K-type asteroids resembles CV and CO meteorites. ... 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 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. ... The spectrum of K-type asteroids resembles CV and CO meteorites. ...

The extensive Eos asteroid family is named after it. Eos family is a prominent family of asteroids that are believed to have formed as a result from an ancient catastrophic collision between asteroids. ...

It was discovered by Johann Palisa on January 18, 1882 in Vienna and was named after Eos, Greek goddess of dawn. Johann Palisa (December 6, 1848 – May 2, 1925) was an Austrian astronomer, born in Opava, Czech Republic (then part of the Austrian Empire). ... January 18 is the 18th day of the year in the Gregorian Calendar. ... 1882 was a common year starting on Sunday (see link for calendar). ... Vienna (German: Wien [viːn]) is the capital of Austria, and also one of Austrias nine federal states (Bundesland Wien). ... Eos, by Evelyn de Morgan (1850 - 1919), 1895 (Columbia Museum of Art, Columbia, SC): for a Pre-Raphaelite painter, Eos was still the classical pagan equivalent of an angel Eos (dawn) was, in Greek mythology, the Titan Goddess of the dawn, who rose from her home at the edge of...

References

• The Asteroid Orbital Elements Database (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
• Minor Planet Discovery Circumstances (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)
• Asteroid Lightcurve Data File (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT)

220 Stephania is a Main belt asteroid. ... 222 Lucia is a large Main belt asteroid. ...