astro.wikisort.org - AsteroidGarumna (minor planet designation: 180 Garumna) is a main belt asteroid that was discovered by the French astronomer Henri Joseph Perrotin on January 29, 1878.[4] Its name comes from the ancient Latin name for the Garonne River in France. In the Tholen classification system, it is categorized as a stony S-type asteroid, while the Bus asteroid taxonomy system lists it with the Sr sub-type.[3]
This article is about the asteroid. For the insect: Garumna and the Latin name of the river in France, see
Garonne.
180 Garumna 3D convex shape model of 180 Garumna |
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Discovered by | J. Perrotin |
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Discovery date | 29 January 1878 |
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MPC designation | (180) Garumna |
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Pronunciation | [1] |
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Minor planet category | Main belt |
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Epoch 31 July 2016 (JD 2457600.5) |
Uncertainty parameter 0 |
Observation arc | 96.73 yr (35331 d) |
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Aphelion | 3.1722 AU (474.55 Gm) |
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Perihelion | 2.2739 AU (340.17 Gm) |
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Semi-major axis | 2.7231 AU (407.37 Gm) |
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Eccentricity | 0.16494 |
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Orbital period (sidereal) | 4.49 yr (1641.3 d) |
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Mean anomaly | 301.92° |
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Mean motion | 0° 13m 9.624s / day |
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Inclination | 0.86595° |
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Longitude of ascending node | 312.18° |
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Argument of perihelion | 175.87° |
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Earth MOID | 1.28761 AU (192.624 Gm) |
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Jupiter MOID | 1.89216 AU (283.063 Gm) |
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TJupiter | 3.338 |
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Synodic rotation period | 23.866 h (0.9944 d) |
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Spectral type | S[3] |
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Absolute magnitude (H) | 10.31 |
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The rotation period of this asteroid is very nearly equal to that of the rotation of the Earth. This means that only a small portion of the light curve can be observed from any one location, requiring measurements from multiple sites in order to build a complete curve. In 2012, this mission was accomplished, giving a period of 23.866 ± 0.001 hours with a brightness variation of 0.42 ± 0.02 in magnitude. Allowing for a margin of error and changes in phase angle, this finding agrees with previous measurements made in 2008 and 2011.[5]
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- Yeomans, Donald K., "180 Garumna", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 6 May 2016.
- DeMeo, Francesca E.; et al. (July 2009), "An extension of the Bus asteroid taxonomy into the near-infrared" (PDF), Icarus, 202 (1): 160–180, Bibcode:2009Icar..202..160D, doi:10.1016/j.icarus.2009.02.005, archived from the original (PDF) on 17 March 2014, retrieved 8 April 2013. See appendix A.
- "Numbered Minor Planets 1–5000", Discovery Circumstances, IAU Minor Planet center, retrieved 7 April 2013.
- Pilcher, Frederick; et al. (April 2012), "Rotation Period Determination for 180 Garumna: A Triumph of Global Collaboration", The Minor Planet Bulletin, 39 (2): 46, Bibcode:2012MPBu...39...46P, ISSN 1052-8091.
External links
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На других языках
[de] (180) Garumna
(180) Garumna ist ein Asteroid des Asteroiden-Hauptgürtels, der am 29. Januar 1878 von Henri Joseph Perrotin von Toulouse aus entdeckt wurde. Seinen Namen erhielt der Himmelskörper nach dem antiken Namen des Flusses Garonne, der an Toulouse vorbeifließt.
- [en] 180 Garumna
[es] (180) Garumna
(180) Garumna es un asteroide que forma parte del cinturón de asteroides y fue descubierto el 29 de enero de 1878 por Henri Joseph Anastase Perrotin desde el observatorio de Toulouse, Francia. Está nombrado por el nombre en latín del Garona, un río del suroeste de Francia.[2]
[ru] (180) Гарумна
(180) Гарумна (фр. Garumna) — это небольшой астероид главного пояса, принадлежащий к светлому спектральному классу S. Он был открыт 29 января 1878 года французским астрономом Перротэном в Тулузской обсерватории и назван в честь старинного названия реки Гаронна во Франции, на берегах которой расположена Тулуза[1].
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