469 Argentina

From Wikipedia, the free encyclopedia
Jump to: navigation, search
469 Argentina
Discovery[1]
Discovered by Luigi Carnera
Discovery site Heidelberg-Königstuhl State Observatory
Discovery date February 20, 1901
Designations
MPC designation 469
Named after
Argentina
1901 GE
Minor planet category main belt
Orbital characteristics[2]
Epoch November 30, 2008
Aphelion 3.6966 AU
Perihelion 2.6356 AU
3.1661 AU
Eccentricity 0.167546
2057.71 days (5.63 years)
29.088°
Inclination 11.703°
334.348°
206.147°
Physical characteristics
Dimensions 125.57 kilometres (78.03 mi) ± 5.6 kilometres (3.5 mi)
Mean diameter[3]
126.00 ± 4.91[4] km
Mass (4.53 ± 1.76) × 1018[4] kg
Mean density
4.32 ± 1.75[4] g/cm3
12.3 hours [5]
Albedo 0.0399 ± 0.004 [3]
Spectral type
P [6]
8.62 [7]

469 Argentina is an asteroid that was discovered by Luigi Carnera on February 20, 1901. Its provisional name was 1901 GE.[1] 469 Argentina has an estimated rotation period of 12.3 hours.[5]

References[edit]

  1. ^ a b "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU: Minor Planet Center. Retrieved December 7, 2008. 
  2. ^ "(469) Argentina". AstDyS. Italy: University of Pisa. Retrieved December 11, 2008. 
  3. ^ a b Tedesco et al. (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. Retrieved January 7, 2009. [dead link]
  4. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: 98-118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009.  See Table 1.
  5. ^ a b Székely et al.; Kiss, L; Szabo, G; Sarneczky, K; Csak, B; Varadi, M; Meszaros, S (2005). "CCD photometry of 23 minor planets" (abstact). 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
  6. ^ Fieber-Beyer et al. (2006-10-24). "Near-ir spectroscopic analysis of mainbelt X-asteroid 469 Argentina" (abstract). Geological Society of America Abstracts with Programs. 2006 Geological Society of America annual meeting and exposition 38. Geological Society of America. p. 405. Retrieved 2008-12-11. 
  7. ^ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on 1 December 2008. Retrieved January 7, 2009. [dead link]