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2014 Vasilevskis

Asteroid

Field	Value
minorplanet	yes
name	2014 Vasilevskis
background	#D6D6D6
discovery_ref
discoverer	A. R. Klemola
discovery_site	Lick Obs.
discovered	2 May 1973
mpc_name	(2014) Vasilevskis
alt_names	1973 JA
named_after	Stanislavs Vasilevskis
(astronomer; staff member)
mp_category	main-beltPhocaea
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	44.00 yr (16,072 days)
aphelion	3.0908 AU
perihelion	1.7134 AU
semimajor	2.4021 AU
eccentricity	0.2867
period	3.72 yr (1,360 days)
mean_anomaly	295.50°
mean_motion	/ day
inclination	21.376°
asc_node	204.09°
arg_peri	82.819°
mean_diameter

rotation	h
h
h
h
albedo	0.23 (assumed)

spectral_type	S
abs_magnitude	11.712.3

(astronomer; staff member)

h h h

2014 Vasilevskis, provisional designation , is a stony Phocaean asteroid from the inner regions of the asteroid belt, approximately 10 km in diameter. It was discovered on 2 May 1973, by American astronomer Arnold Klemola at the U.S. Lick Observatory on Mount Hamilton, California. It was named after Stanislavs Vasilevskis, staff member at the discovering observatory.

Orbit and classification

Vasilevskis is a member of the Phocaea family (701), a group of asteroids with similar orbital characteristics, named after the family's namesake, 25 Phocaea. It orbits the Sun in the inner main-belt at a distance of 1.7–3.1 AU once every 3 years and 9 months (1,360 days). Its orbit has an eccentricity of 0.29 and an inclination of 21° with respect to the ecliptic. No precoveries were taken prior to its discovery.

Physical characteristics

Vasilevskis has been characterized as a common S-type asteroid.

Rotation period

In May 2014, a photometric lightcurve analysis by American astronomer Robert Stephens at the Center for Solar System Studies (U81), California, gave a rotation period of hours with a brightness variation of 0.26 in magnitude ().

Alternative measurements also made in 2014, include an observation by astronomer René Roy, which rendered a period of hours with an amplitude of 0.31 in magnitude (), and an analysis at the Burleith Observatory (I13), with a period of hours, or 49% of the first period ().

Diameter and albedo

According to the space-based surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, the asteroid measures between 9.1 and 11.8 kilometers in diameter, and its surface has an albedo between 0.265 and 0.451. The Collaborative Asteroid Lightcurve Link assumes an albedo 0.23 – derived from 25 Phocaea, the family's largest member and namesake – and calculates a diameter of 9.6 kilometers with an absolute magnitude of 12.3.

Naming

This minor planet was named after astronomer Stanislavs Vasilevskis (died 1988), long-time staff member at the discovering Lick Observatory from 1949 to 1974.

A specialist for astrometric instrumentation, in particular the computational analysis of the position of astronomical objects from photographic plates, he has also performed broad astronomical surveys to obtain the parallax and proper motion of stars. The official was published by the Minor Planet Center on 30 June 1977 (M.P.C. 4190).

References

Info: Wikipedia Source

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phocaea-asteroids discoveries-by-arnold-klemola named-minor-planets astronomical-objects-discovered-in-1973

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