187 Lamberta
Encyclopedia
187 Lamberta
Orbital characteristics [ftp://ftp.lowell.edu/pub/elgb/astorb.html 1]
Orbit
Orbit
In physics, an orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the center of a star system, such as the Solar System...

 type
Main belt
Asteroid belt
The asteroid belt is the region of the Solar System located roughly between the orbits of the planets Mars and Jupiter. It is occupied by numerous irregularly shaped bodies called asteroids or minor planets...

Semimajor axis  2.732 AU
Astronomical unit
An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....

Perihelion distance 2.084 AU
Astronomical unit
An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....

Aphelion distance 3.380 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...

 
4.52 years
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...

 
10.60°
Eccentricity  0.237
Physical characteristics [ftp://ftp.lowell.edu/pub/elgb/astorb.html 1]
Diameter
Diameter
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circle. The diameters are the longest chords of the circle...

 
131.2 km
Rotation period
Rotation period
The rotation period of an astronomical object is the time it takes to complete one revolution around its axis of rotation relative to the background stars...

 
10.663 hours
Spectral class  C
C-type asteroid
C-type asteroids are carbonaceous asteroids. They are the most common variety, forming around 75% of known asteroids, and an even higher percentage in the outer part of the asteroid belt beyond 2.7 AU, which is dominated by this asteroid type...

Abs. magnitude
Absolute magnitude
Absolute magnitude is the measure of a celestial object's intrinsic brightness. it is also the apparent magnitude a star would have if it were 32.6 light years away from Earth...

 
8.16
Albedo
Albedo
Albedo , or reflection coefficient, is the diffuse reflectivity or reflecting power of a surface. It is defined as the ratio of reflected radiation from the surface to incident radiation upon it...

 4
0.056
History 2
Discoverer J. Coggia
Jérôme Eugène Coggia
Jérôme Eugène Coggia was a 19th-century French astronomer.Working in Marseille, he discovered a number of comets, including the bright "Coggia's Comet" . The periodic comet 27P/Crommelin was previously called "Comet Pons-Coggia-Winnecke-Forbes". In 1916 he was awarded the Lalande Prize of the...

, 1878

187 Lamberta is a large and very dark main-belt
Asteroid belt
The asteroid belt is the region of the Solar System located roughly between the orbits of the planets Mars and Jupiter. It is occupied by numerous irregularly shaped bodies called asteroids or minor planets...

 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...

. It has a composition of primitive carbonaceous
Carbonate
In chemistry, a carbonate is a salt of carbonic acid, characterized by the presence of the carbonate ion, . The name may also mean an ester of carbonic acid, an organic compound containing the carbonate group C2....

 materials.

It was discovered by J. Coggia
Jérôme Eugène Coggia
Jérôme Eugène Coggia was a 19th-century French astronomer.Working in Marseille, he discovered a number of comets, including the bright "Coggia's Comet" . The periodic comet 27P/Crommelin was previously called "Comet Pons-Coggia-Winnecke-Forbes". In 1916 he was awarded the Lalande Prize of the...

 on April 11, 1878. It was the second of his five asteroid discoveries. It is named after the astronomer Johann Heinrich Lambert
Johann Heinrich Lambert
Johann Heinrich Lambert was a Swiss mathematician, physicist, philosopher and astronomer.Asteroid 187 Lamberta was named in his honour.-Biography:...

.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK