Mu Arae e is a gas giant at least 1.8 times as massive as Jupiter. Mu Arae e (also known as HD 160691 e) is one of the four extrasolar planets orbiting the star Mu Arae. The Mu Arae System; 2 Planets, 0 Dwarf Planets, 0 Asteroids, 0 Comets, and 0 Moons (sizes are propotional to the square root of the radius) This is only an estimate, using the star's spectral type and mass. The mu Arae planet found by the Europeans is bounded well to the outside by a Jupiter-mass planet. Caravela: Adamastor: Esperanca: Saudade (sign in to vote) quilin The reader of the four symbols suzaku It is visible to the naked eye. Pluto Mercury Mars Venus Earth Neptune Uranus Saturn Jupiter mu Arae b mu Arae c mu Arae d mu Arae e Habitable zone. The planet around Mu Arae weighs at least 14 times as much as Earth—"an Earth on steroids," says one astronomer. The planet is about half the mass of Jupiter and orbits the star at a distance similar to the distance at which the Earth orbits the sun. The end of the exosphere is 6200 miles. The planet previously discovered at mu Arae is roughly Jupiter-size and orbits the star every 650 days. It is scorchingly close to its star, completing an orbit every 9.5 days. Oct 5, 2012 - With a minimum mass of only 10.55 times that of Earth, Mu Arae c (also known as HD 160691 c) is right on the border between "terrestrial" and "gas giant" planet types. The innermost planet has a mass approximately the same as our planet Uranus and was the first so-called 'Hot Jupiter' to be found in 2004. Template:Mu Arae Coordinates: Sky map 17h 44m 08.7s, −51° 50′ 03″ Template:Nearest bright star systems ApJ., 622, 1136 The star, mu Arae, is visible under dark skies from the Southern Hemisphere. Your system is mu Arae. Mu Arae has 4 planets: Mu Arae B, discovered in 2000, has a mass 532.7 times the mass of Earth and an orbital period of 643.25 days. It must have formed inside the larger planet, and theory suggests that it … Surface gravity of Mu Arae-c? Coupled with the 9.5 days orbital period, this implies a minimum mass for the newly discovered planet of 14 times the mass of the Earth. Mu Arae e. Planet mu Arae e orbits at almost exactly the same distance from its star as Jupiter does from our own Sun - they each take approximately 11 Earth years to complete one year. This is the first hot Neptune discovered. To quote the press release (text in bold as given by ESO): mu Arae: mu Arae b: mu Arae c: mu Arae d: mu Arae e: Lusitania Lusitânia is the original name of Portugal, the staring point of the portuguese naval exploration during the 15th and 16th centuries. New planet The mass of this planet places it at the boundary between the very large earth-like (rocky) planets and giant planets. The following plot shows the approximate location of the planets in this system with respect to the habitable zone (green) and the size of the star (red). The planet orbits at Jupiter-like distance at 5.235 AU. Its host star is located in the constellation of The Altar. NASA’s Exoplanet Exploration Program, the search for planets and life beyond our solar system. The idea that Jupiter migrated inwards outwards is dubious to me considering that the Sun is loosing mass due to the thermonuclear fusion of hydrogen into helium and solar wind, CME etc. It orbits closer to its star than Mercury orbits our own Sun and completes each orbit in nine Earth days. The new one, much closer in, has the mass of Uranus, and thus straddles the line between rocky and gas giant worlds. English: The outer planets of the en:Mu Arae system compared to the planets in our en:solar system.The central star is not to scale. However, the distance from the star is 0.921AU and the period is 310.55 days, very similar to the Earth. The planet has a mass about half that of Jupiter and orbits at a distance of 0.921 AU from the star with a period of 310.55 days. It is visible to the naked eye. 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