469 Argentina

Summary

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]

469 Argentina
Discovery [1]
Discovered byLuigi Carnera
Discovery siteHeidelberg Observatory
Discovery date20 February 1901
Designations
(469) Argentina
Pronunciation/ɑːrənˈtnə/
Named after
Argentina
1901 GE
main belt
AdjectivesArgentinian /ɑːrənˈtɪniən/
Orbital characteristics[2][3]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc109.08 yr (39840 d)
Aphelion3.68734 AU (551.618 Gm)
Perihelion2.67484 AU (400.150 Gm)
3.18109 AU (475.884 Gm)
Eccentricity0.159144
5.67 yr (2072.3 d)
153.115°
0° 10m 25.378s / day
Inclination11.5955°
333.476°
209.588°
Physical characteristics
Dimensions
  • 125.57 ± 5.6 kilometres (78.03 ± 3.48 mi)
    Mean diameter [4]
  • 126.00 ± 4.91 kilometres (78.29 ± 3.05 mi) [5]
Mean radius
62.785±2.8 km
Mass(4.53±1.76)×1018 kg[5]
Mean density
4.32±1.75 g/cm3[5]
  • 12.3 hours [6]
  • 17.573 h (0.7322 d) [3]
0.0399±0.004[3][4]
P[7]
8.62 [8]

ReferencesEdit

  1. ^ a b "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.
  3. ^ a b c "469 Argentina (1901 GE)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 6 May 2016.
  4. ^ a b 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.
  5. ^ a b c 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.
  6. ^ a b 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.
  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.

External linksEdit

  • 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 diagram · Orbital elements · Physical parameters