469 Argentina

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
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

    1. ↑ 1.0 1.1 "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. ↑ 3.0 3.1 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.
    4. ↑ 4.0 4.1 4.2 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. ↑ 5.0 5.1 Székely; Kiss, L; Szabo, G; Sarneczky, K; Csak, B; Varadi, M; Meszaros, S et al. (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.