8123 Canaletto

Name
Name	Canaletto
Designation	3138 T-1
Discovery
Discoverers	Cornelis Johannes van Houten Cornelis Johannes van Houten Cornelis Johannes van Houten was a Dutch astronomer, sometimes referred to as Kees van Houten.Born in The Hague, he spent his entire career at Leiden University except for a brief period as research assistant at Yerkes Observatory... , Ingrid van Houten-Groeneveld Ingrid van Houten-Groeneveld Ingrid van Houten-Groeneveld is a Dutch astronomer.In a jointly-credited trio with Tom Gehrels and her husband Cornelis Johannes van Houten, she was an extremely prolific discoverer of many thousands of asteroids...  and Tom Gehrels Tom Gehrels Tom Gehrels , was an American astronomer, Professor Planetary Sciences, and Astronomer at the University of Arizona, Tucson....
Discovery date	March 26, 1971
Orbital elements
Epoch Epoch (astronomy) In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as celestial coordinates, or elliptical orbital elements of a celestial body, where these are subject to perturbations and vary with time...  October 27, 2007 (JDCT Julian day Julian day is used in the Julian date system of time measurement for scientific use by the astronomy community, presenting the interval of time in days and fractions of a day since January 1, 4713 BC Greenwich noon...  2454400.5)
Eccentricity (e)	0.1307345
Semimajor axis (a)	2.2873281 AU Astronomical unit An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....
Perihelion (q)	1.9882954 AU Astronomical unit An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....
Aphelion (Q)	2.5863608 AU Astronomical unit An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....
Orbital period Orbital period The orbital period is the time taken for a given object to make one complete orbit about another object.When mentioned without further qualification in astronomy this refers to the sidereal period of an astronomical object, which is calculated with respect to the stars.There are several kinds of...  (P)	3.46 a Julian year (astronomy) In astronomy, a Julian year is a unit of measurement of time defined as exactly 365.25 days of 86 400 SI seconds each, totaling 31 557 600 seconds. The Julian year is the average length of the year in the Julian calendar used in Western societies in previous centuries, and for which the unit is...
Inclination Inclination Inclination in general is the angle between a reference plane and another plane or axis of direction.-Orbits:The inclination is one of the six orbital parameters describing the shape and orientation of a celestial orbit...  (i)	3.754°
Longitude of the ascending node Longitude of the ascending node The longitude of the ascending node is one of the orbital elements used to specify the orbit of an object in space. It is the angle from a reference direction, called the origin of longitude, to the direction of the ascending node, measured in a reference plane...  (Ω)	177.47378°
Argument of Perihelion (ω)	285.51229°
Mean anomaly Mean anomaly In celestial mechanics, the mean anomaly is a parameter relating position and time for a body moving in a Kepler orbit. It is based on the fact that equal areas are swept at the focus in equal intervals of time....  (M)	274.77566°

8123 Canaletto is a main belt asteroid

Asteroid

Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...

 with a perihelion of 1.99 AU

Astronomical unit

An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....

  It has an eccentricity of 0.131 and an orbital period

Orbital period

The orbital period is the time taken for a given object to make one complete orbit about another object.When mentioned without further qualification in astronomy this refers to the sidereal period of an astronomical object, which is calculated with respect to the stars.There are several kinds of...

 of 1263.5 days (3.46 years).

Caldeira has an average orbital speed

Orbital speed

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...

 of 19.692 km/s and an inclination

Inclination

Inclination in general is the angle between a reference plane and another plane or axis of direction.-Orbits:The inclination is one of the six orbital parameters describing the shape and orientation of a celestial orbit...

 of 3.754°.

The asteroid was discovered on March 26, 1971 by Cornelis Johannes van Houten

Cornelis Johannes van Houten

Cornelis Johannes van Houten was a Dutch astronomer, sometimes referred to as Kees van Houten.Born in The Hague, he spent his entire career at Leiden University except for a brief period as research assistant at Yerkes Observatory...

, Ingrid van Houten-Groeneveld

Ingrid van Houten-Groeneveld

Ingrid van Houten-Groeneveld is a Dutch astronomer.In a jointly-credited trio with Tom Gehrels and her husband Cornelis Johannes van Houten, she was an extremely prolific discoverer of many thousands of asteroids...

 and Tom Gehrels

Tom Gehrels

Tom Gehrels , was an American astronomer, Professor Planetary Sciences, and Astronomer at the University of Arizona, Tucson....

This asteroid is named after, the artist Giovanni Antonio Canal who is commonly called Canaletto

Canaletto

Giovanni Antonio Canal better known as Canaletto , was a Venetian painter famous for his landscapes, or vedute, of Venice. He was also an important printmaker in etching.- Early career :...

.