Rebekka (
minor planet designation
A formal minor-planet designation is, in its final form, a number–name combination given to a minor planet (asteroid, centaur, trans-Neptunian object and dwarf planet but not comet). Such designation always features a leading number (catalog or ...
: 572 Rebekka) is a
minor planet
According to the International Astronomical Union (IAU), a minor planet is an astronomical object in direct orbit around the Sun that is exclusively classified as neither a planet nor a comet. Before 2006, the IAU officially used the term ''minor ...
orbiting the
Sun
The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radi ...
, which was discovered on September 19, 1905, by a German astronomer
Paul Götz
Paul Götz (1883–1962) was a German astronomer and discoverer of 20 minor planets between 1903 and 1905.
He did his Ph.D. dissertation in 1907 at the ''Landessternwarte Heidelberg-Königstuhl'' (Königstuhl Observatory, near Heidelberg) at th ...
in
Heidelberg
Heidelberg (; Palatine German language, Palatine German: ''Heidlberg'') is a city in the States of Germany, German state of Baden-Württemberg, situated on the river Neckar in south-west Germany. As of the 2016 census, its population was 159,914 ...
. It was named after a young lady from Heidelberg, and may have been inspired by the asteroid's provisional designation ''1905 RB''.
Observations performed at the Palmer Divide Observatory in
Colorado Springs, Colorado
Colorado Springs is a home rule municipality in, and the county seat of, El Paso County, Colorado, United States. It is the largest city in El Paso County, with a population of 478,961 at the 2020 United States Census, a 15.02% increase since ...
during 2007 produced a
light curve
In astronomy, a light curve is a graph of light intensity of a celestial object or region as a function of time, typically with the magnitude of light received on the y axis and with time on the x axis. The light is usually in a particular frequ ...
with a period of 5.656 ± 0.002 hours with a brightness range of 0.40 ± 0.02 in
magnitude
Magnitude may refer to:
Mathematics
*Euclidean vector, a quantity defined by both its magnitude and its direction
*Magnitude (mathematics), the relative size of an object
*Norm (mathematics), a term for the size or length of a vector
*Order of ...
. This agrees with the 5.65 hour period measured in 1998.
References
External links
Lightcurve plot of 572 Rebekka Palmer Divide Observatory,
B. D. Warner (2007)
Asteroid Lightcurve Database (LCDB) query form
)
Dictionary of Minor Planet Names Google books
– Observatoire de Genève, Raoul Behrend
– Minor Planet Center
*
*
Background asteroids
Rebekka
Rebekka
XDC-type asteroids (Tholen)
C-type asteroids (SMASS)
19050919
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