The 2MASS J01225093-2439505 Exoplanetary System
2MASS J01225093-2439505 is a star with 0.4 times the mass of the Sun, and 0.4999999999999998 times its radius. It is located 117.42 light years away from the solar system and is estimated to be 0.12 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
2MASS J01225093-2439505 is known to have 1 exoplanets in orbit around it.
2MASS J01225093-2439505 b
2MASS J01225093-2439505 b was discovered by the W. M. Keck Observatory observatory using the imaging method. Its discovery was announced in 2013-08. Its semi-major axis is 52.00 astronomical units, as compared to Earth's which is 1 astronomical unit.
The mass of 2MASS J01225093-2439505 b is 7786.36 times the mass of Earth. At more than 50 Earth masses, 2MASS J01225093-2439505 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn in our solar system.