HAT-P-28 b
Orbiting HAT-P-28
HAT-P-28 b is an exoplanet orbiting the star HAT-P-28, discovered in 2011 using the Transit method. It is a Jupiter-sized world.
Radius
13.59
Earth radii
Mass
198.95
Earth masses
Orbital Period
3.3
days
Distance
401.3
parsecs
Equilibrium Temp
1384
K
Radius (Earth radii)
13.59
Mass (Earth masses)
198.95
Measured
Equilibrium Temperature
1384 K
Parameter source: Buchhave et al. 2011
Orbital Period
3.257+0.000−0.000days
Semi-Major Axis
0.0434+0.0007−0.0007au
Planet Mass (Earth masses)
198.95+11.76−11.76
Planet Mass (Jupiter masses)
0.6260+0.0370−0.0370
Eccentricity
0.0510+0.0330−0.0330
Argument of Periastron
233.0+90.0−90.0deg
Radial Velocity Semi-Amplitude
84.70+4.20−4.20m/s
Distance from Earth
401.3 pc (~1309 ly)
Spectral Type
G3
Temperature
5680 K
Mass (Solar)
1.02 M☉
Radius (Solar)
1.10 R☉
Luminosity
0.05 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
13.0009°, 34.7284°
Discovery Method
Transit
Discovery Year
2011
Source ID: HAT-P-28 b
HAT-P-28 b orbits HAT-P-28 and was reported in 2011 and was detected with the Transit method.
Published measurements list a radius of 13.59 Earth radii, a mass of 198.95 Earth masses, an orbital period of 3.26 days, and an equilibrium temperature near 1,384 K.
Catalog data places the system at about 401.3 parsecs from Earth, a host star classified as G3, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HAT-P-28