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1328 Devota

Asteroid

Field	Value
minorplanet	yes
name	1328 Devota
background	#D6D6D6
image	001328-asteroid shape model (1328) Devota.png
caption	Modelled shape of Devota from its lightcurve
discovery_ref
discoverer	B. Jekhovsky
discovery_site	Algiers Obs.
discovered	21 October 1925
mpc_name	(1328) Devota
alt_names	1925 UA1938 UC
1951 TQ1951 TT
1964 UD
named_after	Fortunato Devoto
(Argentine astronomer)
mp_category	main-belt(outer)
background
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	92.02 yr (33,612 days)
aphelion	3.9778 AU
perihelion	3.0334 AU
semimajor	3.5056 AU
eccentricity	0.1347
period	6.56 yr (2,397 days)
mean_anomaly	13.874°
mean_motion	/ day
inclination	5.7658°
asc_node	222.69°
arg_peri	174.63°
dimensions	km
km
km
km
rotation	h
albedo

spectral_type	Tholen X
PD
B–V 0.695
U–B 0.210
abs_magnitude	10.31

1951 TQ1951 TT 1964 UD (Argentine astronomer) background km km km

PD B–V 0.695 U–B 0.210

1328 Devota, provisional designation , is a dark background asteroid from the outermost regions of the asteroid belt, approximately 56 kilometers in diameter. It was discovered on 21 October 1925, by Russian–French astronomer Benjamin Jekhowsky at the Algiers Observatory in North Africa. The asteroid was named after Argentine astronomer Fortunato Devoto.

Orbit and classification

Devota is a non-family asteroid from the main belt's background population. It orbits the Sun in the outermost asteroid belt at a distance of 3.0–4.0 AU once every 6 years and 7 months (2,397 days; semi-major axis of 3.51 AU). Its orbit has an eccentricity of 0.13 and an inclination of 6° with respect to the ecliptic. The body's observation arc begins at Algiers, three nights after its official discovery observation.

Physical characteristics

In the Tholen classification, Devota is an X-type asteroid, while the Wide-field Infrared Survey Explorer (WISE) characterized it as a primitive P-type. Other spectroscopic and photometric surveys as well as the Bus–DeMeo taxonomy classified the asteroid as a D-type due to its low albedo value and its featureless and reddish spectrum.

Rotation period

In August 2009, a rotational lightcurve of Devota was obtained from photometric observations by French amateur astronomer Pierre Antonini. Lightcurve analysis gave a rotation period of 17.49 hours with a brightness amplitude of 0.20 magnitude (). The observer also notes that there are several other possible period solutions ("plusieurs solutions entre 0.6 et 1 jour"). As of 2017, no secure period has been obtained.

Diameter and albedo

According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's WISE telescope, Devota measures between 53.697 and 56.06 kilometers in diameter and its surface has an albedo between 0.043 and 0.046.

The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is, an albedo of 0.0407 and a diameter of 57.11 kilometers based on an absolute magnitude of 10.31.

Naming

This minor planet was named by the discoverer after his friend, the Argentine astronomer Fortunato Devoto, who was the discoverer of the La Plata Observatory and president of the National Council of Observatories of Argentina. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 121).

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-benjamin-jekhowsky named-minor-planets x-type-asteroids-(tholen) astronomical-objects-discovered-in-1925

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