469 Argentina
| Discovery [1] | |
|---|---|
| Discovered by | Luigi Carnera |
| Discovery site | Heidelberg-Königstuhl State Observatory |
| Discovery date | 20 February 1901 |
| Designations | |
| MPC designation | 469 |
Named after | Argentina |
| 1901 GE | |
| main belt | |
| 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° | |
| Earth MOID | 1.68475 AU (252.035 Gm) |
| Jupiter MOID | 1.3501 AU (201.97 Gm) |
| Jupiter Tisserand parameter | 3.148 |
| Physical characteristics | |
| Dimensions |
125.57 kilometres (78.03 mi) ± 5.6 kilometres (3.5 mi) Mean diameter [4] 126.00 ± 4.91 km [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] | |
|
| |
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.[6]
References
- 1 2 "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU: Minor Planet Center. Retrieved December 7, 2008.
- ↑ "(469) Argentina". AstDyS. Italy: University of Pisa. Retrieved December 11, 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 January 17, 2010. Retrieved January 7, 2009.
- 1 2 3 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 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" (abstract). 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. (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.
- ↑ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on December 1, 2008. Retrieved January 7, 2009.
External links
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