HAT-P-57 b
Orbiting HAT-P-57
HAT-P-57 b is an exoplanet orbiting the star HAT-P-57, discovered in 2015 using the Transit method. It is a Jupiter-sized world.
Radius
19.50
Earth radii
Mass
448.14
Earth masses
Orbital Period
2.5
days
Distance
279.9
parsecs
Radius (Earth radii)
19.50
Mass (Earth masses)
448.14
Measured
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
2.465+0.000−0.000days
Planet Mass (Earth masses)
448.14+483.10−483.10
Planet Mass (Jupiter masses)
1.4100+1.5200−1.5200
Eccentricity
0.0000
Radial Velocity Semi-Amplitude
215.20m/s
Distance from Earth
279.9 pc (~913 ly)
Spectral Type
Unknown
Temperature
6330 K
Mass (Solar)
2.77 M☉
Radius (Solar)
1.85 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
3
Coordinates (RA, Dec)
274.7434°, 10.5972°
Discovery Method
Transit
Discovery Year
2015
Source ID: HAT-P-57 b
HAT-P-57 b orbits HAT-P-57 and was reported in 2015 and was detected with the Transit method.
Published measurements list a radius of 19.5 Earth radii, a mass of 448.14 Earth masses, and an orbital period of 2.47 days.
Catalog data places the system at about 279.9 parsecs from Earth 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-57