1300 Marcelle
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1300 Marcelle, provisional designation , is a carbonaceous
asteroid An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the Solar System#Inner Solar System, inner Solar System or is co-orbital with Jupiter (Trojan asteroids). As ...
from the middle region of the
asteroid belt The asteroid belt is a torus-shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies called asteroids ...
, approximately 30 kilometers in diameter. It was discovered on 10 February 1934, by French astronomer Guy Reiss at the North African
Algiers Observatory The Algiers Observatory was built in the late 19th century in the Algiers suburb of Bouzaréah, Algeria, North Africa. It participated in the Astrographic Catalogue project, taking the zone between -2 and +4 degrees to expose 1,260 plates betwe ...
in Algeria.


Orbit and classification

''Marcelle'' orbits the Sun in the central main-belt at a distance of 2.8–2.8  AU once every 4 years and 8 months (1,694 days). Its orbit has an
eccentricity Eccentricity or eccentric may refer to: * Eccentricity (behavior), odd behavior on the part of a person, as opposed to being "normal" Mathematics, science and technology Mathematics * Off-Centre (geometry), center, in geometry * Eccentricity (g ...
of 0.01 and an
inclination Orbital inclination measures the tilt of an object's orbit around a celestial body. It is expressed as the angle between a reference plane and the orbital plane or axis of direction of the orbiting object. For a satellite orbiting the Eart ...
of 10 ° with respect to the
ecliptic The ecliptic or ecliptic plane is the orbital plane of Earth's orbit, Earth around the Sun. It was a central concept in a number of ancient sciences, providing the framework for key measurements in astronomy, astrology and calendar-making. Fr ...
. The body's
observation arc In observational astronomy, the observation arc (or arc length) of a Solar System body is the time period between its earliest and latest observations, used for tracing the body's path. It is usually given in days or years. The term is mostly use ...
begins at
Uccle Observatory The Royal Observatory of Belgium (; ; ) has been situated in the Uccle municipality of Brussels since 1890. It is part of the institutions of the Belgian Federal Science Policy Office (BELSPO). The Royal Observatory was first established in Sa ...
, four days after its official discovery at Algiers, as no
precoveries In astronomy, precovery (short for pre-discovery recovery) is the process of finding the image of a celestial object in images or photographic plates predating its discovery, typically for the purpose of calculating a more accurate orbit. This ha ...
were taken, and no prior identifications were made.


Physical characteristics

''Marcelle'' is a dark
C-type asteroid C-type (carbonaceous ) asteroids are the most common variety, forming around 75% of known asteroids. They are volatile-rich and distinguished by a very low albedo because their composition includes a large amount of carbon, in addition to rocks ...
. On the SMASS taxonomic scheme, it is classified as a Cg-subtype, an intermediate to the rather rare
G-type asteroid G-type asteroids are a relatively uncommon type of carbonaceous asteroid that makes up approximately 5% of asteroids. The most notable asteroid in this class is 1 Ceres. Characteristics Generally similar to the C-type objects, but contain a str ...
s.


Rotation period

The so-far only rotational
lightcurve In astronomy, a light curve is a graph (discrete mathematics), graph of the Radiance, light intensity of a celestial object or region as a function of time, typically with the magnitude (astronomy), magnitude of light received on the ''y''-axis ...
of ''Marcelle'' was obtained from photometric observations taken by French amateur astronomer René Roy in January 2008. Light-curve analysis gave a
rotation period In astronomy, the rotation period or spin period of a celestial object (e.g., star, planet, moon, asteroid) has two definitions. The first one corresponds to the '' sidereal rotation period'' (or ''sidereal day''), i.e., the time that the objec ...
of 12 hours and a low brightness variation of 0.05
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 ...
().


Diameter and albedo

According to the surveys carried out by the Infrared Astronomical Satellite
IRAS The Infrared Astronomical Satellite (Dutch language, Dutch: ''Infrarood Astronomische Satelliet'') (IRAS) was the first space telescope to perform a astronomical survey, survey of the entire night sky at infrared wavelengths. Launched on 25 Janu ...
, the Japanese
Akari AKARI (ASTRO-F) was an infrared astronomy satellite developed by Japan Aerospace Exploration Agency, in cooperation with institutes of Europe and Korea. It was launched on 21 February 2006, at 21:28 UTC (06:28, 22 February JST) by M-V rocket ...
satellite, and NASA's
Wide-field Infrared Survey Explorer Wide-field Infrared Survey Explorer (WISE, List of observatory codes, observatory code C51, Explorer 92 and MIDEX-6) was a NASA infrared astronomy Space observatory, space telescope in the Explorers Program launched in December 2009.. . WISE L ...
with its subsequent
NEOWISE Wide-field Infrared Survey Explorer (WISE, observatory code C51, Explorer 92 and MIDEX-6) was a NASA infrared astronomy space telescope in the Explorers Program launched in December 2009.. . WISE discovered thousands of minor planets and nu ...
mission, ''Marcelle'' measures between 27.84 and 33.92 kilometers in diameter, and its surface has an
albedo Albedo ( ; ) is the fraction of sunlight that is Diffuse reflection, diffusely reflected by a body. It is measured on a scale from 0 (corresponding to a black body that absorbs all incident radiation) to 1 (corresponding to a body that reflects ...
between 0.03 and 0.010 (ignoring preliminary results). The ''Collaborative Asteroid Lightcurve Link'' derives an albedo of 0.0637 and a diameter of 27.64 kilometers with an absolute magnitude of 11.4.


Naming

This
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 ...
was named for Marcelle Reiss, the third daughter of the discoverer. He also named his discoveries 1237 Geneviève and 1376 Michelle, after his two other daughters, Geneviève and Michelle, respectively. The official naming citation was also mentioned in ''
The Names of the Minor Planets Paul Herget (January 30, 1908 – August 27, 1981) was an American astronomer and director of the Cincinnati Observatory, who established the Minor Planet Center after World War II. Career Herget taught astronomy at the University of Cincinna ...
'' by Paul Herget in 1955 (). It is also noteworthy to mention that International Marcelle's Day is celebrated on the 17th of July Every year to commemorate the rarity of the name Marcelle among the general populous of the United States. Since 1880 up to 2018, the name “Marcelle” was recorded 5,810 times in the SSA public database. Using the UN World Population Prospects for 2019, that's more than enough Marcelles to occupy the country of Montserrat with an estimated population of 5,220


References


External links


Supplemental IRAS Minor Planet Survey (SIMPS)
IRAS-A-FPA-3-RDR-IMPS-V6.0, ''
Planetary Data System The Planetary Data System (PDS) is a distributed data system that NASA uses to archive data collected by Solar System missions. The PDS is an active archive that makes available well documented, peer reviewed planetary data to the research commun ...
''
Tholen: Asteroid Absolute Magnitudes
– EAR-A-5-DDR-ASTERMAG-V11.0
Asteroid Lightcurve Database (LCDB)
query form

)
Dictionary of Minor Planet Names
Google books

– Observatoire de Genève, Raoul Behrend

– Minor Planet Center * * {{DEFAULTSORT:Marcelle 001300 Discoveries by Guy Reiss Named minor planets 001300 19340210