30 Urania (ew-ray'-nee-a) is a large Main belt asteroid. In physics, an orbit is the path that an object makes, around another object, whilst under the influence of a source of centripetal force, such as gravity. ... Image of the main asteroid belt between the orbits of Mars and Jupiter. ... In geometry, the semi-major axis (also semimajor axis) a applies to ellipses and hyperbolas. ... 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. ... 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. ... 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 year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. ... 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. ... In astrodynamics, under standard assumptions any orbit must be of conic section shape. ... For the geometric term, see diameter. ... A kilometre (American spelling: kilometer), symbol: km is a unit of length in the metric system equal to 1000 metres (from the Greek words χίλια (khilia) = thousand and μέτρο (metro) = count/measure). ... 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. ... In astronomy the term spectral class refers to classifying objects according to their spectral lines, which indicate an objects chemical composition. ... Approximately 17% of all known asteroids are of an S-type (for stony) composition. ... In astronomy, absolute magnitude is the apparent magnitude, m, an object would have if it were at a standardized distance away. ... John Russell Hind (May 12, 1823 – December 23, 1895) was a British astronomer. ... 1854 was a common year starting on Sunday (see link for calendar). ... 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. ...

Urania was discovered by J. R. Hind on July 22, 1854. It was his last asteroid discovery. It is named after Urania, the Greek Muse of astronomy. John Russell Hind (May 12, 1823 – December 23, 1895) was a British astronomer. ... 22 July is the 203rd day (204th in leap years) of the year in the Gregorian Calendar, with 162 days remaining. ... 1854 was a common year starting on Sunday (see link for calendar). ... Simon Vouet, The Muses Urania and Calliope, c. ... In Greek mythology, the Muses (Greek Μουσαι, Mousai) are nine archaic goddesses who embody the right evocation of myth, inspired through remembered and improvised song and traditional music and dances. ... Astrology: the study of the positions of the celestial objects relative to the Earth and how these positions affect happenings on the lives of cultures, nations and the natural environment. ...

Aspects

… | Previous minor planet | 30 Urania | Next minor planet | … 29 Amphitrite (am-fi-trye-tee) is one of the largest Main belt asteroids. ... 31 Euphrosyne (you FRO sai ne) is one of the largest main belt asteroids. ...