469 Argentina

469 Argentina
Discovery
Discovered by	Luigi Carnera
Discovery site	Heidelberg Observatory
Discovery date	20 February 1901
Designations
MPC designation	(469) Argentina
Pronunciation	/ɑːrdʒənˈtaɪnə/
Named after	Argentina
Alternative designations	1901 GE
Minor planet category	main belt
Adjectives	Argentinian /ɑːrdʒənˈtɪniən/
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	109.08 yr (39840 d)
\|\|helion}}	3.68734 astronomical unit\|AU (551.618 Gm)
\|\|helion}}	2.67484 AU (400.150 Gm)
Semi-major axis	3.18109 AU (475.884 Gm)
Eccentricity	0.159144
Orbital period	5.67 yr (2072.3 d)
Mean anomaly	153.115°
Mean motion	0° 10m 25.378s / day
Inclination	11.5955°
Longitude of ascending node	333.476°
\|\|helion}}	209.588°
Physical characteristics
Dimensions	125.57 ± 5.6 kilometres (78.03 ± 3.48 mi); Mean diameter ; 126.00 ± 4.91 kilometres (78.29 ± 3.05 mi) ;
Mean radius	62.785±2.8 km
Mass	(4.53±1.76)×1018 kg
Mean density	4.32±1.75 g/cm3
Rotation period	12.3 hours ; 17.573 h (0.7322 d) ;
Geometric albedo	0.0399±0.004
Spectral type	P
Absolute magnitude (H)	8.62

Short description: Main-belt asteroid

Argentina (minor planet designation: 469 Argentina) is an asteroid that was discovered by Luigi Carnera on 20 February 1901. Its provisional name was 1901 GE.^[1] 469 Argentina has an estimated rotation period of 12.3 hours.^[6]

References

↑ ^1.0 ^1.1 "Discovery Circumstances: Numbered Minor Planets (1)–(5000)". IAU: Minor Planet Center. http://www.cfa.harvard.edu/iau/lists/NumberedMPs000001.html.
↑ "(469) Argentina". AstDyS. Italy: University of Pisa. https://newton.spacedys.com/astdys/index.php?pc=1.1.0&n=469.
↑ ^3.0 ^3.1 ^3.2 "469 Argentina (1901 GE)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=469;cad=1.
↑ ^4.0 ^4.1 Tedesco (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. http://www.psi.edu/pds/resource/imps.html.
↑ ^5.0 ^5.1 ^5.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73 (1): 98–118, doi:10.1016/j.pss.2012.03.009, Bibcode: 2012P&SS...73...98C. See Table 1.
↑ ^6.0 ^6.1 Székely et al. (2005). "CCD photometry of 23 minor planets". Planetary and Space Science 53 (9): 925–936. doi:10.1016/j.pss.2005.04.006. Bibcode: 2005P&SS...53..925S. web preprint
↑ Fieber-Beyer (2006-10-24). "Near-ir spectroscopic analysis of mainbelt X-asteroid 469 Argentina" (abstract). 2006 Geological Society of America annual meeting and exposition. 38. Geological Society of America. pp. 405. http://gsa.confex.com/gsa/2006AM/finalprogram/abstract_114163.htm. Retrieved 2008-12-11.
↑ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0.. Planetary Data System. http://www.psi.edu/pds/resource/astermag.html.

External links

Lightcurve plot of 469 Argentina, Palmer Divide Observatory, B. D. Warner (2006)
Asteroid Lightcurve Database (LCDB), query form (info )
Dictionary of Minor Planet Names, Google books
Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
Discovery Circumstances: Numbered Minor Planets (1)–(5000) – Minor Planet Center
469 Argentina at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
469 Argentina at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

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Original source: https://en.wikipedia.org/wiki/469 Argentina. Read more

[MPC-1] 1.0 ^1.1 "Discovery Circumstances: Numbered Minor Planets (1)–(5000)". IAU: Minor Planet Center. http://www.cfa.harvard.edu/iau/lists/NumberedMPs000001.html.

[2] "(469) Argentina". AstDyS. Italy: University of Pisa. https://newton.spacedys.com/astdys/index.php?pc=1.1.0&n=469.

[jpldata-3] 3.0 ^3.1 ^3.2 "469 Argentina (1901 GE)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=469;cad=1.

[SIMPS-4] 4.0 ^4.1 Tedesco (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. http://www.psi.edu/pds/resource/imps.html.

[Carry2012-5] 5.0 ^5.1 ^5.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73 (1): 98–118, doi:10.1016/j.pss.2012.03.009, Bibcode: 2012P&SS...73...98C. See Table 1.

[Székely-6] 6.0 ^6.1 Székely et al. (2005). "CCD photometry of 23 minor planets". Planetary and Space Science 53 (9): 925–936. doi:10.1016/j.pss.2005.04.006. Bibcode: 2005P&SS...53..925S. web preprint

[7] Fieber-Beyer (2006-10-24). "Near-ir spectroscopic analysis of mainbelt X-asteroid 469 Argentina" (abstract). 2006 Geological Society of America annual meeting and exposition. 38. Geological Society of America. pp. 405. http://gsa.confex.com/gsa/2006AM/finalprogram/abstract_114163.htm. Retrieved 2008-12-11.

[Tholen-8] Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0.. Planetary Data System. http://www.psi.edu/pds/resource/astermag.html.