145 Adeona is a rather large Main belt asteroid. Its surface is very dark, and composition likely of primitive carbonates. 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 equal to 1000 metres (from the Greek words khilia = thousand and 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 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). ... In astronomy the term spectral class refers to classifying objects according to their spectral lines, which indicate an objects chemical composition. ... 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. ... Christian Heinrich Friedrich Peters (September 19, 1813 – July 18, 1890) was an American astronomer, and one of the first to discover asteroids. ... 1875 was a common year starting on Friday (see link for calendar). ... Image of the main asteroid belt between the orbits of Mars and Jupiter. ... An asteroid is a small, solid object in our Solar System, orbiting the Sun. ... Carbonate is an anion with a charge of -2 and an empirical formula of CO32-. For an aqueous solution, carbonate exists in three forms. ...

The Adeona family of asteroids is named after it.

It was discovered by C. H. F. Peters on June 3, 1875 and named after Adeona, a protector of children in Roman mythology. Christian Heinrich Friedrich Peters (September 19, 1813 – July 18, 1890) was an American astronomer, and one of the first to discover asteroids. ... June 3 is the 154th day of the year in the Gregorian calendar (155th in leap years), with 211 days remaining. ... 1875 was a common year starting on Friday (see link for calendar). ... In Roman mythology, the goddess Adeona guided children back to their parents household the first time they returned after having left the house. ... Roman mythology can be considered as two parts. ...