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<!-- Additional parameters for this template are available at [[Template:Infobox Planet]]. -->{{Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0 |
name=588 Achilles
| discoverer=[[Max Wolf]]
| discovered=[[February 22]], [[1906]]
| alt_names=1906 TG
| mp_category=[[Trojan asteroid]]
| epoch=[[October 22]], [[2004]] ([[Julian day|JD]] 2453300.5)
| semimajor=776.669 [[Giga|G]][[metre|m]] (5.192 [[Astronomical unit|AU]])
| perihelion=662.395 Gm (4.428 AU)
| aphelion=890.944 Gm (5.956 AU)
| eccentricity=0.147
| period=4320.803 [[day|d]] (11.83 [[Julian year (astronomy)|a]])
| inclination=10.324[[degree (angle)|°]]
| asc_node=316.583°
| arg_peri=132.770°
| mean_anomaly=157.779°
| avg_speed=13.00 km/[[second|s]]
| dimensions=135.5 km
| mass=2.6×10<sup>18</sup> [[kilogram|kg]]
| density=2.0 g/[[cubic centimetre|cm³]]
| surface_grav=0.0379 m/s²
| escape_velocity=0.0716 km/s
| rotation=>0.5 d [http://www.astrosurf.com/aude-old/map_files/AstVarMAP01-2003.htm <sup>1</sup>]
| spectral_type= [[D-type asteroid|D]]
| abs_magnitude=8.67
| albedo=0.0328 [http://www.psi.edu/pds/archive/astdata/ALBEDOS/albedos.tab <sup>2</sup>]
| single_temperature=~124 [[kelvin|K]]}}
'''588 Achilles''' is an [[asteroid]] found on [[February 22]], [[1906]] by the German astronomer [[Max Wolf]]. It was the first of the [[Trojan asteroid]]s to be found, and is named after [[Achilles]], the fictional hero from the [[Iliad]]. It orbits in the L<sub>4</sub> [[Lagrangian point]] of the [[Sun]]-[[Jupiter (planet)|Jupiter]] system. After a few such asteroids were found, the rule was made that the L<sub>4</sub> point was the "[[List of Trojan asteroids (Greek camp)|Greek camp]]", while the L<sub>5</sub> point was the "[[List of Trojan asteroids (Trojan camp)|Trojan camp]]", though not before each camp had acquired a "spy" ([[624 Hektor]] in the Greek camp<!--- Hektor was Trojan, hence he is a spy by being with the Greeks ---> and [[617 Patroclus]] in the Trojan camp<!--- Patroclus was Greek, hence he is a spy by being with the Trojans --->).
== Other websites ==
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=588;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=588 Ephemeris]
{{MinorPlanets Navigator|587 Hypsipyle|589 Croatia}}
{{Small Solar System bodies}}
{{sci-stub}}
{{DEFAULTSORT:Achilles}}
[[Category:Trojan asteroids]]
name=588 Achilles
| discoverer=[[Max Wolf]]
| discovered=[[February 22]], [[1906]]
| alt_names=1906 TG
| mp_category=[[Trojan asteroid]]
| epoch=[[October 22]], [[2004]] ([[Julian day|JD]] 2453300.5)
| semimajor=776.669 [[Giga|G]][[metre|m]] (5.192 [[Astronomical unit|AU]])
| perihelion=662.395 Gm (4.428 AU)
| aphelion=890.944 Gm (5.956 AU)
| eccentricity=0.147
| period=4320.803 [[day|d]] (11.83 [[Julian year (astronomy)|a]])
| inclination=10.324[[degree (angle)|°]]
| asc_node=316.583°
| arg_peri=132.770°
| mean_anomaly=157.779°
| avg_speed=13.00 km/[[second|s]]
| dimensions=135.5 km
| mass=2.6×10<sup>18</sup> [[kilogram|kg]]
| density=2.0 g/[[cubic centimetre|cm³]]
| surface_grav=0.0379 m/s²
| escape_velocity=0.0716 km/s
| rotation=>0.5 d [http://www.astrosurf.com/aude-old/map_files/AstVarMAP01-2003.htm <sup>1</sup>]
| spectral_type= [[D-type asteroid|D]]
| abs_magnitude=8.67
| albedo=0.0328 [http://www.psi.edu/pds/archive/astdata/ALBEDOS/albedos.tab <sup>2</sup>]
| single_temperature=~124 [[kelvin|K]]}}
'''588 Achilles''' is an [[asteroid]] found on [[February 22]], [[1906]] by the German astronomer [[Max Wolf]]. It was the first of the [[Trojan asteroid]]s to be found, and is named after [[Achilles]], the fictional hero from the [[Iliad]]. It orbits in the L<sub>4</sub> [[Lagrangian point]] of the [[Sun]]-[[Jupiter (planet)|Jupiter]] system. After a few such asteroids were found, the rule was made that the L<sub>4</sub> point was the "[[List of Trojan asteroids (Greek camp)|Greek camp]]", while the L<sub>5</sub> point was the "[[List of Trojan asteroids (Trojan camp)|Trojan camp]]", though not before each camp had acquired a "spy" ([[624 Hektor]] in the Greek camp<!--- Hektor was Trojan, hence he is a spy by being with the Greeks ---> and [[617 Patroclus]] in the Trojan camp<!--- Patroclus was Greek, hence he is a spy by being with the Trojans --->).
== Other websites ==
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=588;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=588 Ephemeris]
{{MinorPlanets Navigator|587 Hypsipyle|589 Croatia}}
{{Small Solar System bodies}}
{{sci-stub}}
{{DEFAULTSORT:Achilles}}
[[Category:Trojan asteroids]]