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16560 Daitor

Trojan asteroid

Field	Value
minorplanet	yes
name	16560 Daitor
background	#C2FFFF
discovery_ref
discoverer	E. W. Elst
discovery_site	La Silla Obs.
discovered	2 November 1991
mpc_name	(16560) Daitor
alt_names

adjective	Daitorian
pronounced
named_after	Daitor
(Greek mythology)
mp_category	Jupiter trojan
Trojanbackground
orbit_ref
epoch	23 March 2018 (JD 2458200.5)
uncertainty	0
observation_arc	62.57 yr (22,854 d)
aphelion	5.2615 AU
perihelion	4.8504 AU
semimajor	5.0560 AU
eccentricity	0.0407
period	11.37 yr (4,152 d)
mean_anomaly	264.80°
mean_motion	/ day
inclination	15.311°
asc_node	100.76°
arg_peri	157.89°
jupiter_moid	0.0606 AU
tisserand	2.9290
mean_diameter

albedo

spectral_type	C (SDSS-MOC)
abs_magnitude	10.6
10.7
10.90

(Greek mythology) Trojanbackground

10.7 10.90

16560 Daitor ( ; provisional designation ****) is a large Jupiter trojan from the Trojan camp, approximately 44 km in diameter. It was discovered on 2 November 1991, by Belgian astronomer Eric Elst at the La Silla site of the European Southern Observatory in Chile. The carbonaceous C-type asteroid is one of the largest Jupiter trojans with an unknown rotation period. It was named after the Trojan warrior Daitor from Greek mythology.

Orbit and classification

Daitor is a Jovian asteroid in the so-called Trojan camp, located in the Lagrangian point, 60° behind Jupiter, orbiting in a 1:1 resonance with the Gas Giant .

It is also a non-family asteroid of the Jovian background population. It orbits the Sun at a distance of 4.9–5.3 AU once every 11 years and 4 months (4,152 days; semi-major axis of 5.06 AU). Its orbit has an eccentricity of 0.04 and an inclination of 15° with respect to the ecliptic. The body's observation arc begins with a precovery published by the Digitized Sky Survey and taken at Palomar Observatory in October 1955, more than 36 years prior to its official discovery observation at La Silla.

Naming

This minor planet was named from Greek mythology after the Trojan warrior Daitor (Dai'tor), who was killed by Teucer (Teukros) during the Trojan War. The official naming citation was published by the Minor Planet Center on 27 May 2010 (M.P.C. 70409).

Physical characteristics

In the SDSS-based taxonomy, Daitor is a carbonaceous C-type, while most Jupiter trojans are D-type asteroids.

Rotation period

As of 2018, no rotational lightcurve of Daitor has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown.

Diameter and albedo

According to the survey carried out by the Japanese Akari satellite, the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, and the Infrared Astronomical Satellite IRAS, Daitor measures between 43.38 and 51.42 kilometers in diameter and its surface has an albedo between 0.029 and 0.053. The Collaborative Asteroid Lightcurve Link assumes a standard albedo for a carbonaceous asteroid of 0.057 and calculates a diameter of 40.33 kilometers based on an absolute magnitude of 10.7.

References

[[Homer]], ''[[Iliad]]'', 8. 275 ff

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.

jupiter-trojans-(trojan-camp) discoveries-by-eric-walter-elst named-minor-planets astronomical-objects-discovered-in-1991

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