HD 75898 b
Encyclopedia
HD 75898 b is an extrasolar planet
approximately 263 light years away in the constellation
of Lynx
. This is a giant planet orbiting the star HD 75898
. The minimum mass
is two and a half times more than Jupiter
s, suggesting it is a gas giant
. The planet orbits at 1.168 AU
from the star, taking 1.1 year to orbit in relatively circular orbit.
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...
approximately 263 light years away in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
of Lynx
Lynx (constellation)
Lynx is a constellation in the northern sky, introduced in the 17th century by Johannes Hevelius. It is named after the lynx, a genus of cat. It is a very faint constellation; its brightest stars form a zigzag line.-History:...
. This is a giant planet orbiting the star HD 75898
HD 75898
HD 75898 is an 8th magnitude star approximately 263 light years away in the constellation Lynx. It is a yellow subgiant, although it is only 3.8 billion years old. The star is 28% more massive, 60% larger, and 3 times as luminous than our local star...
. The minimum mass
Minimum mass
In astronomy, minimum mass is the lower-bound calculated mass of observed objects such as planets, stars and binary systems, nebulae, and black holes. Minimum mass is a widely cited statistic for extrasolar planets...
is two and a half times more than 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,...
s, suggesting it 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...
. The planet orbits at 1.168 AU
Astronomical unit
An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....
from the star, taking 1.1 year to orbit in relatively circular orbit.