14335 Alexosipov, provisional designation , is a stony Flora
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 inner regions 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 4 kilometers in diameter. It was discovered by Soviet–Russian astronomer
Nikolai Chernykh
Nikolai Stepanovich Chernykh ( rus, Никола́й Степа́нович Черны́х, , nʲɪkɐˈlaj sʲtʲɪˈpanəvʲɪtɕ tɕɪrˈnɨx, links=yes; 6 October 1931 – 25 May 2004Казакова, Р.К. Памяти Николая Сте ...
at the
Crimean Astrophysical Observatory
The Crimean Astrophysical Observatory (CrAO, obs. code: 095) is located at Nauchnij research campus, near the Central Crimean city of Bakhchysarai, on the Crimean peninsula. CrAO is often called simply by its location and campus name ...
in Nauchnyj, on 3 September 1981.
The asteroid was named after astronomer
Alexandr Osipov.
Orbit and classification
''Alexosipov'' is a member of the
Flora family
The Flora family (''adj. Florian''; ; also known as the Ariadne family) is a prominent family of stony asteroids located in the inner region of the asteroid belt. It is one of the largest families with more than 13,000 known members, or approx ...
, one of the largest groups of
stony asteroids. It orbits the Sun in the
inner main-belt at a distance of 1.8–2.7
AU once every 3 years and 4 months (1,220 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 0.21 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 6
° 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 first
astrometric
Astrometry is a branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies. It provides the kinematics and physical origin of the Solar System and this galaxy, the Milky Way.
History ...
observations were already made at the discovering observatory in 1971, 10 years prior to its discovery. However, these observations were not used to extend the asteroid'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 ...
.
Physical characteristics
''Alexosipov'' has been characterized as a common
S-type asteroid
S-type (stony-type or silicaceous-type) asteroids are asteroids with a spectral type that is indicative of a siliceous (i.e. stony) mineralogical composition, hence the name. They have relatively high density. Approximately 17% of asteroids are ...
by
Pan-STARRS
The Panoramic Survey Telescope and Rapid Response System (Pan-STARRS1; List of observatory codes, obs. code: IAU code#F51, F51 and Pan-STARRS2 obs. code: IAU code#F52, F52) located at Haleakala Observatory, Hawaii, US, consists of astronomical ...
photometric survey.
Rotation period
A 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 ''Alexosipov'' was obtained from photometric observations made by American astronomer
Brian Skiff
Brian A. Skiff is an American astronomer noted for discovering numerous asteroids and a number of comets including the periodic comets 114P/Wiseman–Skiff (with Jennifer Wiseman) and 140P/Bowell–Skiff (with Edward Bowell).
Biography
Ski ...
in October 2011. It gave a well-defined
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 hours with a low brightness variation of 0.10 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 ...
(). A low brightness amplitude typically indicates that the body has a nearly spheroidal shape.
Diameter and albedo
According to the survey carried out by the
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 of NASA's space-based
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 ...
, ''Alexosipov'' measures 4.2 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 ...
of 0.279,
while the ''Collaborative Asteroid Lightcurve Link'' assumes an albedo of 0.24 – which derives from
8 Flora
8 Flora is a large, bright main-belt asteroid. It is the innermost ''large'' asteroid: no asteroid closer to the Sun has a diameter above 25 kilometers (20% that of Flora), and not until 20-km 149 Medusa was discovered was an asteroid known to o ...
, the largest member and namesake of this orbital family – and calculates a diameter of 3.9 kilometers with an
absolute magnitude of 14.2.
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 in memory of astronomer Alexandr Kuzmich Osipov (1920–2004), observer of artificial satellites, the Moon, planets and comets at the
Astronomical Observatory of the Kyiv National University in Ukraine. He is described as a skilled teacher for many generations of students.
The approved naming citation was published by the
Minor Planet Center
The Minor Planet Center (MPC) is the official body for observing and reporting on minor planets under the auspices of the International Astronomical Union (IAU). Founded in 1947, it operates at the Smithsonian Astrophysical Observatory.
Funct ...
on 15 December 2005 ().
Notes
References
External links
Astronomical Observatory, Kyiv Shevchenko National UniversityAsteroid Lightcurve Database (LCDB) query form
)
Dictionary of Minor Planet Names Google books
– Observatoire de Genève, Raoul Behrend
– Minor Planet Center
*
*
{{DEFAULTSORT:Alexosipov
014335
Discoveries by Nikolai Chernykh
Named minor planets
19810903