| Discovery [1] | |
|---|---|
| Discovered by | Luigi Carnera |
| Discovery site | Heidelberg Observatory |
| Discovery date | 20 February 1901 |
| Designations | |
| (469) Argentina | |
| Pronunciation | /ɑːrdʒənˈtaɪnə/ |
Named after | Argentina |
| 1901 GE | |
| main belt | |
| Adjectives | Argentinian /ɑːrdʒənˈtɪniən/ |
| Orbital characteristics [2][3] | |
| 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) |
| 3.18109 AU (475.884 Gm) | |
| Eccentricity | 0.159144 |
| 5.67 yr (2072.3 d) | |
| 153.115° | |
| 0° 10m 25.378s / day | |
| Inclination | 11.5955° |
| 333.476° | |
| 209.588° | |
| Physical characteristics | |
| Dimensions | |
Mean radius | 62.785±2.8 km |
| Mass | (4.53±1.76)×1018 kg [5] |
Mean density | 4.32±1.75 g/cm3[5] |
| 0.0399±0.004 [3][4] | |
| P [7] | |
| 8.62 [8] | |
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 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
- 469 Argentina at the JPL Small-Body Database
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