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url url
  2. Weltenzyklopädie
  3. پورشه (قمر) - ویکی‌پدیا، دانشنامهٔ آزاد
پورشه (قمر) - ویکی‌پدیا، دانشنامهٔ آزاد
از ویکی‌پدیا، دانشنامهٔ آزاد
پورشه
کشف
کاشفStephen P. Synnott / وویجر ۲
تاریخ کشف۳ ژانویه ۱۹۸۶
ویژگی‌های مداری
۶۶٬۰۹۷٫۲۶۵ ± 0.050 km
خروج از مرکز مداری۰٫۰۰۰۰۵ ± ۰٫۰۰۰۰۸
۰٫۵۱۳۱۹۵۹۲۰۱ ± 0.0000000093 d
میانگین سرعت مداری
9.37 km/s
انحراف۰٫۰۵۹۰۸ ± ۰٫۰۳۹° (to Uranus' equator)
ماهاورانوس
ویژگی‌های فیزیکی
ابعاد156 × ۱۲۶ × 126 km
میانگین شعاع
۶۷٫۶ ± 4 km
~57,000 km²
حجم~1,300,000 km³
جرم~۱٫۷‎×۱۰۱۸ کیلوگرم
میانگین چگالی
~1.3 g/cm³ (assumed)
~۰٫۰۲۳ شتاب
~0.058 km/s
synchronous
zero
سپیدایی
  • 0.08 ± 0.01
  • 0.07 nssdc"
دما~۶۴ کلوین

پورشه (انگلیسی: Portia) یکی از قمرهای سیاره اورانوس است.

این قمر در سال ۱۹۸۶ میلادی کشف شده است و با سرعت ۹٫۳۷ کیلومتر در ثانیه به دور اورانوس می‌چرخد و دمای متوسط آن در حدود ۶۴ کلوین می‌باشد.

جستارهای وابسته

منابع

  • Jacobson, R. A. (1998). "The Orbits of the Inner Uranian Satellites from [ITAL]Hubble[/ITAL] [ITAL]Space[/ITAL] [ITAL]T[/ITAL][ITAL]elescope[/ITAL] and [ITAL]V[/ITAL][ITAL]oyager[/ITAL] [ITAL]2[/ITAL] Observations". The Astronomical Journal. 115 (3): 1195–1199. doi:10.1086/300263. ISSN 0004-6256.
  • Karkoschka, E (2001). "Voyager's Eleventh Discovery of a Satellite of Uranus and Photometry and the First Size Measurements of Nine Satellites". Icarus. 151 (1): 69–77. doi:10.1006/icar.2001.6597. ISSN 0019-1035.
  • "Planetary Satellite Physical Parameters". JPL (Solar System Dynamics). ۲۰۰۸-۱۰-۲۴. Retrieved 2008-12-12.
  • Williams, Dr. David R. (۲۰۰۷-۱۱-۲۳). "Uranian Satellite Fact Sheet". NASA (National Space Science Data Center). Retrieved 2008-12-12.
  • Karkoschka, E (2001). "Comprehensive Photometry of the Rings and 16 Satellites of Uranus with the Hubble Space Telescope". Icarus. 151 (1): 51–68. doi:10.1006/icar.2001.6596. ISSN 0019-1035.
  • Smith, B. A. (January 16, 1986). "Satellites of Uranus". IAU Circular. ۴۱۶۴. Retrieved 29 October 2011.
  • "Planet and Satellite Names and Discoverers". Gazetteer of Planetary Nomenclature. USGS Astrogeology. July 21, 2006. Retrieved 2006-08-06.
  • Dumas, Christophe; Smith, Bradford A.; Terrile, Richard J. (2003). "Hubble Space TelescopeNICMOS Multiband Photometry of Proteus and Puck". The Astronomical Journal. 126 (2): 1080–1085. doi:10.1086/375909. ISSN 0004-6256.
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