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)
Aphelion	3.68734 AU (551.618 Gm)
Perihelion	2.67484 AU (400.150 Gm)
Semi-major axis	3.18109 AU (475.884 Gm)
Eccentricity	0.159144
Orbital period (sidereal)	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°
Argument of perihelion	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
Synodic 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

Last updated June 01, 2025

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 2 "Discovery Circumstances: Numbered Minor Planets (1)–(5000)". IAU: Minor Planet Center. Retrieved 7 December 2008.
↑ "(469) Argentina". AstDyS. Italy: University of Pisa. Archived from the original on 26 May 2011. Retrieved 11 December 2008.
1 2 3 "469 Argentina (1901 GE)". JPL Small-Body Database . NASA/Jet Propulsion Laboratory . Retrieved 6 May 2016.
1 2 Tedesco; et al. (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. Archived from the original on 17 August 2009. Retrieved 7 January 2009.
1 2 3 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73 (1): 98–118, arXiv: 1203.4336 , Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
1 2 Székely; Kiss, L; Szabo, G; Sarneczky, K; Csak, B; Varadi, M; Meszaros, S; et al. (2005). "CCD photometry of 23 minor planets". Planetary and Space Science. 53 (9): 925–936. arXiv: astro-ph/0504462 . Bibcode:2005P&SS...53..925S. doi:10.1016/j.pss.2005.04.006. web preprint
↑ Fieber-Beyer; et al. (24 October 2006). "Near-ir spectroscopic analysis of mainbelt X-asteroid 469 Argentina". Geological Society of America Abstracts with Programs. 2006 Geological Society of America annual meeting and exposition. Vol. 38. Geological Society of America. p. 405. Archived from the original (abstract) on 29 August 2008. Retrieved 11 December 2008.
↑ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on 1 December 2008. Retrieved 7 January 2009.

External links

Lightcurve plot of 469 Argentina, Palmer Divide Observatory, B. D. Warner (2006)
Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine )
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 viewer · Orbit parameters · Physical parameters

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[MPC-1] 1 2 "Discovery Circumstances: Numbered Minor Planets (1)–(5000)". IAU: Minor Planet Center. Retrieved 7 December 2008.

[2] "(469) Argentina". AstDyS. Italy: University of Pisa. Archived from the original on 26 May 2011. Retrieved 11 December 2008.

[jpldata-3] 1 2 3 "469 Argentina (1901 GE)". JPL Small-Body Database . NASA/Jet Propulsion Laboratory . Retrieved 6 May 2016.

[SIMPS-4] 1 2 Tedesco; et al. (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. Archived from the original on 17 August 2009. Retrieved 7 January 2009.

[Carry2012-5] 1 2 3 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73 (1): 98–118, arXiv: 1203.4336 , Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.

[Székely-6] 1 2 Székely; Kiss, L; Szabo, G; Sarneczky, K; Csak, B; Varadi, M; Meszaros, S; et al. (2005). "CCD photometry of 23 minor planets". Planetary and Space Science. 53 (9): 925–936. arXiv: astro-ph/0504462 . Bibcode:2005P&SS...53..925S. doi:10.1016/j.pss.2005.04.006. web preprint

[7] Fieber-Beyer; et al. (24 October 2006). "Near-ir spectroscopic analysis of mainbelt X-asteroid 469 Argentina". Geological Society of America Abstracts with Programs. 2006 Geological Society of America annual meeting and exposition. Vol. 38. Geological Society of America. p. 405. Archived from the original (abstract) on 29 August 2008. Retrieved 11 December 2008.

[Tholen-8] Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on 1 December 2008. Retrieved 7 January 2009.

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