The 8 UMi system contains 1 exoplanet. It is located 530.17 light years away from the solar system.
Mass | 1.44 solar masses |
Radius | 10.3 solar radiae |
Temperature | 4847 kelvin |
Stellar Metallicity | -0.03 decimal exponent |
Age | 1.7 billion years |
At more than 50 Earth masses, 8 UMi b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 416.357 Earth masses |
Density | 0.910 grams per cubic centimeter |
Radius | 13.600 Earth radiae |
Semi-major Axis | 0.49 AU |
Eccentricity | 0.06 |
Orbital Period | 93.400 days |
Discovery Method | Radial Velocity |
Discovery Facility | Bohyunsan Optical Astronomical Observatory |
Discovery Telescope | 1.8 m Telescope |
Discovery Instrument | BOES Echelle Spectrograph |
Discovery Date | 2015-12 |
Reference | Lee et al. 2015 |