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5653 Camarillo

Asteroid

Field	Value
minorplanet	yes
name	5653 Camarillo
background	#FFC2E0
discovery_ref
discovered	21 November 1992
discoverer	E. F. Helin
K. Lawrence
discovery_site	Palomar Obs.
mpc_name	(5653) Camarillo
alt_names
pronounced
named_after	Camarillo (city in California)
mp_category	NEOAmor
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	43.23 yr (15,789 days)
aphelion	2.3402 AU
perihelion	1.2484 AU
semimajor	1.7943 AU
eccentricity	0.3043
period	2.40 yr (878 days)
mean_anomaly	77.730°
mean_motion	/ day
inclination	6.8739°
asc_node	9.9739°
arg_peri	122.51°
moid	0.2846 AU110.9 LD
dimensions	km
1.53 km (taken)
km
km
rotation	h
h
h
albedo

spectral_type	SS/Sr
abs_magnitude	(R) (R)16.116.42

K. Lawrence 1.53 km (taken) km km h h

5653 Camarillo ( ), provisional designation , is a stony asteroid and near-Earth object of the Amor group, approximately 1.5 kilometers in diameter.

It was discovered on 21 November 1992, by American astronomers Eleanor Helin and Kenneth Lawrence at Palomar Observatory in California, United States. The asteroid was named for the Californian town of Camarillo.

Orbit and classification

Camarillo orbits the Sun at a distance of 1.2–2.3 AU once every 2 years and 5 months (878 days). Its orbit has an eccentricity of 0.30 and an inclination of 7° with respect to the ecliptic.

It has an Earth minimum orbit intersection distance, MOID, of 0.2846 AU, which corresponds to 110.9 lunar distances.

A first precovery was taken at the Australian Siding Spring Observatory in 1974, extending the body's observation arc by 18 years prior to its official discovery observation at Palomar.

Physical characteristics

The S-type asteroid has also been characterized as a Sr-subtype, a transitional group to the R-type asteroids.

Lightcurves

Between 1995 and 2015, several rotational lightcurves of Camarillo gave a well-defined rotation period of 4.834 hours with a brightness amplitude between 0.4 and 0.85 magnitude.

Diameter and albedo

According to the surveys carried out by NASA's space-based Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Camarillo has an albedo between 0.21 and 0.25 with a corresponding diameter of 1.53 to 1.57 kilometers.

Naming

This minor planet was named after for the Californian town of Camarillo and its Camarillo Observatory (670). The town was named after Adolfo Camarillo (1864–1958), a well known regional rancher. The first discoverer is a former town resident. The official naming citation was published by the Minor Planet Center on 4 August 2001 (M.P.C. 43189).

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.

amor-asteroids discoveries-by-eleanor-f.-helin discoveries-by-kenneth-j.-lawrence named-minor-planets astronomical-objects-discovered-in-1992

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