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3066 McFadden

Stony background asteroid from the central regions of the asteroid belt

Field	Value
minorplanet	yes
name	3066 McFadden
background	#D6D6D6
discovery_ref
discoverer	E. Bowell
discovery_site	Anderson Mesa Stn.
discovered	1 March 1984
mpc_name	(3066) McFadden
alt_names	1984 EO1933 MA
1936 FE1941 MA
1952 FW1968 FQ
1976 GC
named_after	Lucy-Ann McFadden
(American astronomer)
mp_category	main-belt(inner)
background
orbit_ref
epoch	23 March 2018 (JD 2458200.5)
uncertainty	0
observation_arc	81.60 yr (29,806 d)
aphelion	2.8636 AU
perihelion	2.1875 AU
semimajor	2.5255 AU
eccentricity	0.1339
period	4.01 yr (1,466 d)
mean_anomaly	328.54°
mean_motion	/ day
inclination	15.574°
asc_node	175.69°
arg_peri	188.31°
mean_diameter
(taken)

rotation
albedo

spectral_type	S (assumed)
abs_magnitude	11.1011.20
11.24

1936 FE1941 MA 1952 FW1968 FQ 1976 GC (American astronomer) background

(taken)

11.24

3066 McFadden, provisional designation **, is a stony background asteroid from the central regions of the asteroid belt, approximately 15 km in diameter. It was discovered on 1 March 1984, by American astronomer Edward Bowell at the Anderson Mesa Station near Tucson, Arizona. It was named for American planetary scientist Lucy-Ann McFadden. The assumed S-type asteroid has a rotation period of 13.8 hours.

Orbit and classification

McFadden is a non-family asteroid from the main belt's background population. It orbits the Sun in the central asteroid belt at a distance of 2.2–2.9 AU once every 4 years (1,466 days; semi-major axis of 2.53 AU). Its orbit has an eccentricity of 0.13 and an inclination of 16° with respect to the ecliptic.

The asteroid was first observed as ** at the Simeis Observatory in June 1933. The body's observation arc begins as ** at Uccle Observatory in March 1936, or 48 years prior to its official discovery observation at Anderson Mesa.

Naming

This minor planet was named after Lucy-Ann McFadden (born 1952), a planetary scientist at the University of Maryland at the time of naming. Her research included the similarities between the spectra of meteorites and near-Earth objects. The official naming citation was published by the Minor Planet Center on 14 April 1987 (M.P.C. 11748).

Physical characteristics

McFadden is an assumed, stony S-type asteroid.

Rotation period

In June 2005, a rotational lightcurve of McFadden was obtained from photometric observations by American astronomer Brian Warner at his Palmer Divide Observatory in Colorado. Lightcurve analysis gave a rotation period of 13.798 hours with a brightness amplitude of 0.13 magnitude ().

Diameter and albedo

According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, McFadden measures between 13.526 and 15.63 kilometers in diameter and its surface has an albedo between 0.240 and 0.363.

The Collaborative Asteroid Lightcurve Link adopts Petr Pravec's revised WISE data with an albedo of 0.2541 and a diameter of 14.90 kilometers based on an absolute magnitude of 11.24.

Notes

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.

background-asteroids discoveries-by-edward-l.-g.-bowell named-minor-planets astronomical-objects-discovered-in-1984

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