Kepler-68d is a
gas giant with the
minimum mass about the same as
Jupiter
Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined, but ...
. It is at least a jovian-mass planet orbiting 1.4 astronomical units from its parent star,
Kepler-68, well within
habitable zone of the star.
It was detected by radial velocity.
After planets
Kepler-68b
Kepler-68b is an exoplanet orbiting the Sun-like star Kepler-68 in the constellation of Cygnus. Discovered by planetary-transit methods by the Kepler space telescope in February 2013, it has a radius of 2.31 ± 0.07 that of Earth and a density ...
and
c were detected by observing planetary transits in front of its star,
doppler spectroscopy measurements were used to make follow-up observations of the star. Kepler-68d was discovered using that method.
References
External links
Table of confirmed planetsat NASA, Kepler mission
{{2013 in space
68d
Exoplanets discovered in 2013
Giant planets in the habitable zone
Cygnus (constellation)