36 relations: Absolute magnitude, Albedo, Andrea Boattini, Asteroid, Asteroid belt, Astronomical unit, Degree (angle), Ecliptic, Francesco Manca, Hour, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), Kirkwood gap, Koronis family, Light curve, Luciano Tesi, Magnitude (astronomy), Minor planet, Minor Planet Center, Near-Earth object, Observation arc, Orbital eccentricity, Orbital inclination, Palomar Observatory, Palomar Transient Factory, Pan-STARRS, Pistoia Mountains Astronomical Observatory, Potentially hazardous object, Precovery, Rotation period, S-type asteroid, Sormano Astronomical Observatory, Springer Science+Business Media, Wide-field Infrared Survey Explorer, X-type asteroid.
Absolute magnitude is a measure of the luminosity of a celestial object, on a logarithmic astronomical magnitude scale.
Albedo (albedo, meaning "whiteness") is the measure of the diffuse reflection of solar radiation out of the total solar radiation received by an astronomical body (e.g. a planet like Earth).
Andrea Boattini (born 16 September 1969) is an Italian astronomer and a prolific discoverer of minor planets and comets.
Asteroids are minor planets, especially those of the inner Solar System.
The asteroid belt is the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter.
The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.
The ecliptic is the circular path on the celestial sphere that the Sun follows over the course of a year; it is the basis of the ecliptic coordinate system.
Francesco Manca (born November 1966, in Milan, Italy) is an Italian amateur astronomer and discoverer of minor planets at the Sormano Astronomical Observatory in northern Italy.
An hour (symbol: h; also abbreviated hr.) is a unit of time conventionally reckoned as of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.
The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.
Julian day is the continuous count of days since the beginning of the Julian Period and is used primarily by astronomers.
In astronomy, a Julian year (symbol: a) is a unit of measurement of time defined as exactly 365.25 days of SI seconds each.
A Kirkwood gap is a gap or dip in the distribution of the semi-major axes (or equivalently of the orbital periods) of the orbits of main-belt asteroids.
The Koronis or Koronian family is a family of asteroids in the main belt between Mars and Jupiter.
In astronomy, a light curve is a graph of light intensity of a celestial object or region, as a function of time.
Luciano Tesi (born 10 December 1931) is an Italian veterinarian, amateur astronomer, discoverer of a large number of minor planets, and director of the San Marcello Pistoiese Observatory.
In astronomy, magnitude is a logarithmic measure of the brightness of an object in a defined passband, often in the visible or infrared spectrum, but sometimes across all wavelengths.
A minor planet is an astronomical object in direct orbit around the Sun (or more broadly, any star with a planetary system) that is neither a planet nor exclusively classified as a comet.
The Minor Planet Center (MPC) is the official worldwide organization in charge of collecting observational data for minor planets (such as asteroids and comets), calculating their orbits and publishing this information via the Minor Planet Circulars.
A near-Earth object (NEO) is any small Solar System body whose orbit can bring it into proximity with Earth.
In observational astronomy, an observation arc (or arc length) is the time period between the first and most recent (last) observation, tracing the body's path.
The orbital eccentricity of an astronomical object is a parameter that determines the amount by which its orbit around another body deviates from a perfect circle.
Orbital inclination measures the tilt of an object's orbit around a celestial body.
Palomar Observatory is an astronomical observatory located in San Diego County, California, United States, southeast of Los Angeles, California, in the Palomar Mountain Range.
The Palomar Transient Factory (PTF, obs. code: I41), was an astronomical survey using a wide-field survey camera designed to search for optical transient and variable sources such as variable stars, supernovae, asteroids and comets.
The Panoramic Survey Telescope and Rapid Response System (Pan-STARRS 1; obs. code: F51 and Pan-STARRS 2 obs. code: F52) located at Haleakala Observatory, Hawaii, USA, consists of astronomical cameras, telescopes and a computing facility that is surveying the sky for moving or variable objects on a continual basis, and also producing accurate astrometry and photometry of already detected objects.
The Pistoia Mountains Astronomical Observatory (Osservatorio Astronomico della Montagna Pistoiese; obs. code: 104), also known as the San Marcello Observatory and the Pian dei Termini Observatory (Osservatorio di Pian dei Termini), is an astronomical observatory in San Marcello Pistoiese, Tuscany, central Italy.
A potentially hazardous object (PHO) is a near-Earth object – either an asteroid or a comet – with an orbit that can make exceptionally close approaches to the Earth and large enough to cause significant regional damage in the event of impact.
In astronomy, precovery (short for pre-discovery recovery) is the process of finding the image of an object in old archived images or photographic plates for the purpose of calculating a more accurate orbit.
In astronomy, the rotation period of a celestial object is the time that it takes to complete one revolution around its axis of rotation relative to the background stars.
S-type asteroids are asteroids with a spectral type that is indicative of a silicaceous (i.e. stony) mineralogical composition, hence the name.
The Sormano Astronomical Observatory (Osservatorio Astronomico Sormano, obs. code: 587) is an astronomical observatory north of Milan, Italy.
Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.
Wide-field Infrared Survey Explorer (WISE) is a NASA infrared-wavelength astronomical space telescope launched in December 2009, and placed in hibernation in February 2011.
The X-group of asteroids collects together several types with similar spectra, but probably quite different compositions.