HD 155358 c
Encyclopedia
HD 155358 c is an extrasolar planet
orbiting the star HD 155358
located 142 light years away in the constellation Hercules
. This is a gas giant
which orbits at 1.224 AU
and takes 530.3 day
s to orbit HD 155358. This planet orbits in an eccentric orbit. This planet has at least half the mass of Jupiter
.
Extrasolar planet
An extrasolar planet, or exoplanet, is a planet outside the Solar System. A total of such planets have been identified as of . It is now known that a substantial fraction of stars have planets, including perhaps half of all Sun-like stars...
orbiting the star HD 155358
HD 155358
HD 155358 is a low metallicity yellow dwarf star approximately 43 light years away in the constellation Hercules. This star is known to be orbited by two extrasolar planets.The star is 11.9 billion years old and has a mass 0.89 times that of the Sun...
located 142 light years away in the constellation Hercules
Hercules (constellation)
Hercules is a constellation named after Hercules, the Roman mythological hero adapted from the Greek hero Heracles. Hercules was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations today...
. This is a gas giant
Gas giant
A gas giant is a large planet that is not primarily composed of rock or other solid matter. There are four gas giants in the Solar System: Jupiter, Saturn, Uranus, and Neptune...
which orbits at 1.224 AU
Astronomical unit
An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....
and takes 530.3 day
Day
A day is a unit of time, commonly defined as an interval equal to 24 hours. It also can mean that portion of the full day during which a location is illuminated by the light of the sun...
s to orbit HD 155358. This planet orbits in an eccentric orbit. This planet has at least half the mass of Jupiter
Jupiter
Jupiter is the fifth planet from the Sun and the largest planet within the Solar System. It is a gas giant with mass one-thousandth that of the Sun but is two and a half times the mass of all the other planets in our Solar System combined. Jupiter is classified as a gas giant along with Saturn,...
.