4805 Asteropaios information

4805 Asteropaios
Discovery
Discovered by	C. Shoemaker
Discovery site	Palomar Obs.
Discovery date	13 November 1990
Designations
MPC designation	(4805) Asteropaios
Pronunciation	/ˌæstərəˈpeɪəs/
Named after	Asteropaios ; (Greek mythology)
Alternative designations	1990 VH7
Minor planet category	Jupiter trojan ; Trojan · background
Adjectives	Asteropaian
Orbital characteristics
	Epoch 23 March 2018 (JD 2458200.5)
	Uncertainty parameter 0
Observation arc	64.39 yr (23,520 d)
Aphelion	5.6775 AU
Perihelion	4.7410 AU
Semi-major axis	5.2093 AU
Eccentricity	0.0899
Orbital period (sidereal)	11.89 yr (4,343 d)
Mean anomaly	145.07°
Mean motion	0° 4m 58.44s / day
Inclination	12.014°
Longitude of ascending node	278.39°
Argument of perihelion	90.347°
Jupiter MOID	0.0068 AU
TJupiter	2.9480
Physical characteristics
Mean diameter	43.44±4.91 km; 57.65±0.74 km
Synodic rotation period	12.372±0.010 h
Geometric albedo	0.058±0.013; 0.085±0.020
Spectral type	C (assumed)
Absolute magnitude (H)	9.9; 10.0; 10.10

4805 Asteropaios /ˌæstərəˈpeɪəs/ is a Jupiter trojan from the Trojan camp, approximately 53 kilometers (33 miles) in diameter. It was discovered on 13 November 1990, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California.^[1] The dark Jovian asteroid is one of the 80 largest Jupiter trojans and has a rotation period of 12.4 hours.^[9] It was named after the spear-throwing hero Asteropaios, from Greek mythology.^[1]

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^ 'Asteropæus' in Noah Webster (1884) A Practical Dictionary of the English Language, modified for the spelling -ai-
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^ ^a ^b ^c Cite error: The named reference Grav-2012 was invoked but never defined (see the help page).
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^ ^a ^b ^c Cite error: The named reference lcdb was invoked but never defined (see the help page).

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[2] 'Asteropæus' in Noah Webster (1884) A Practical Dictionary of the English Language, modified for the spelling -ai-

[jpldata-3] Cite error: The named reference jpldata was invoked but never defined (see the help page).

[MPC-Jupiter-Trojans-4] Cite error: The named reference MPC-Jupiter-Trojans was invoked but never defined (see the help page).

[AstDys-object-5] Cite error: The named reference AstDys-object was invoked but never defined (see the help page).

[AKARI-6] Cite error: The named reference AKARI was invoked but never defined (see the help page).

[Grav-2012-7] Cite error: The named reference Grav-2012 was invoked but never defined (see the help page).

[Mottola-2011-8] Cite error: The named reference Mottola-2011 was invoked but never defined (see the help page).

[lcdb-9] Cite error: The named reference lcdb was invoked but never defined (see the help page).

4805 Asteropaios information

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