HIP 65426 b
Description: HIP 65426 b, formally named Najsakopajk, is a super-Jupiter exoplanet orbiting the star HIP 65426. It was discovered on 6 July 2017 by the SPHERE consortium using the Spectro-Polarimetric High-Contrast Exoplanet Research (SPHERE) instrument belonging to the European Southern Observatory (ESO), being the first planet discovered by the SPHERE instrument. It is 385 light-years from Earth in the Centaurus constellation.
Physical Properties
Mass (Jupiter mass): 9.0 MJ
Radius (Jupiter radius): 1.5 RJ
Density: 3.31 g/cm³
Equilibrium Temperature: 1500.0 K
Orbital Parameters
Orbital Period: Unknown
Semi-major Axis: 92.0 AU
Eccentricity: Unknown
Inclination: Unknown
Host Star Properties
Host Star: HIP 65426
Spectral Type: A2 V
Temperature: 8840.0 K
Stellar Mass: 1.96 M☉
Stellar Radius: 1.77 R☉
Discovery Information
Planet Letter: b
Object ID: 3.12035
Host ID: 2.56974
Discovery Date: 2017-09
Discovery Year: 2017
Discovery Method: Imaging
Discovery Locale: Ground
Discovery Facility: Paranal Observatory
Discovery Instrument: Multiple Instruments