HAT-P-2 c
Orbiting HAT-P-2
HAT-P-2 c is an exoplanet orbiting the star HAT-P-2, discovered in 2023 using the Radial Velocity method.
Mass
3400.76
Earth masses
Orbital Period
8500.0
days
Distance
127.8
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
3400.76
Measured
Equilibrium Temperature
Unknown
Parameter source: de Beurs et al. 2023
Orbital Period
8500.000+2600.000−1500.000days
Planet Mass (Earth masses)
3400.76+1652.71−699.22
Planet Mass (Jupiter masses)
10.7000+5.2000−2.2000
Eccentricity
0.3700+0.1300−0.1200
Epoch of Periastron
2454150.00+430.00−800.00days(BJD-TDB)
Argument of Periastron
38.0+32.0−32.0deg
Radial Velocity Semi-Amplitude
89.00+39.00−13.00m/s
Distance from Earth
127.8 pc (~417 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.33 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
245.1514°, 41.0480°
Discovery Method
Radial Velocity
Discovery Year
2023
Source ID: HAT-P-2 c
HAT-P-2 c orbits HAT-P-2 and was reported in 2023 and was detected with the Radial Velocity method.
Published measurements list a mass of 3,400.76 Earth masses and an orbital period of 8,500 days.
Catalog data places the system at about 127.8 parsecs from Earth and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HAT-P-2More planets in this system