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6377 Cagney

Carbonaceous main-belt asteroid

Field	Value
minorplanet	yes
name	6377 Cagney
background	#D6D6D6
discovery_ref
discovered	25 June 1987
discoverer	A. Mrkos
discovery_site	Kleť Obs.
mpc_name	(6377) Cagney
alt_names	1953 LA

named_after	James Cagney
(American actor and dancer)
mp_category	main-beltEunomia
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	65.36 yr (23,871 days)
aphelion	3.0383 AU
perihelion	2.2031 AU
semimajor	2.6207 AU
eccentricity	0.1593
period	4.24 yr (1,550 days)
mean_anomaly	65.816°
mean_motion	/ day
inclination	15.444°
asc_node	125.33°
arg_peri	115.32°
dimensions	8.76 km (calculated)
km
rotation	h
albedo
0.21 (assumed)
spectral_type	C
abs_magnitude	12.612.76

(American actor and dancer) km 0.21 (assumed)

6377 Cagney, provisional designation , is a carbonaceous Eunomia asteroid from the central region of the asteroid belt, approximately 9 kilometers in diameter.

The asteroid was discovered on 25 June 1987, by Czech astronomer Antonín Mrkos at South Bohemian Kleť Observatory in the Czech Republic. It was named after American actor and dancer James Cagney.

Orbit and classification

Cagney is a member of the Eunomia family, the most prominent family of otherwise stony asteroids in the intermediate main-belt. It orbits the Sun at a distance of 2.2–3.0 AU once every 4 years and 3 months (1,550 days). Its orbit has an eccentricity of 0.16 and an inclination of 15° with respect to the ecliptic.

A first precovery was taken at Palomar Observatory in 1951, extending the body's observation arc by 36 years prior to its official discovery observation at Klet.

Physical characteristics

Cagney has been characterized as a carbonaceous C-type asteroid by PanSTARRS photometric survey.

Lightcurve

A rotational lightcurve of Cagney was obtained by Slovak astronomer Adrián Galád at Modra Observatory in February 2008. Lightcurve analysis gave a well-defined rotation period of hours with a brightness variation of 0.20 magnitude ().

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Cagney measures 9.38 kilometers in diameter and its surface has an albedo of 0.16.

The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.21 (which is typical for stony asteroids) and calculates a diameter of 8.76 kilometers with an absolute magnitude of 12.6.

Naming

This minor planet was named in memory of American actor and dancer James Cagney (1899–1986), remembered best for playing multifaceted tough guys in movies such as The Public Enemy (1931) and Angels with Dirty Faces (1938).

In 1942, Cagney won the Oscar for his energetic portrayal of George M. Cohan in Yankee Doodle Dandy. The official naming citation was published by the Minor Planet Center on 20 June 1997 (M.P.C. 30098).

References

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

eunomia-asteroids discoveries-by-antonín-mrkos named-minor-planets astronomical-objects-discovered-in-1987

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