HD 142022 A

HD 142022 A Planetary System

Location
Constellation:  Octans
Right Ascension:  16 10 15.0238
Declination:  -84 13 53.802
Distance from Sol:  116.99 Light Years
 
 
Basic Data
Alternate Designations:  HIP 79242
Spectral Type:  K0
Apparent Magnitude:  7.7
B-V Color:  0.79
Mass:  0.99 Solar Masses
Radius:  1.25 Solar Radii
Effective Temperature:  5500 Kelvin
Metallicity:  0.19 [Fe/H]
1.54 times Solar
Age:  11500 Million Years
Rotation:  38 days
 
Habitability

Inner Edge of Habitability Zone:  0.56 AU
Outer Edge of Habitability Zone:  1.76 AU
Estimated Stellar Lifespan  10306 million years

System Components
(Mass In Multiples Of Jupiter's Mass)

HD 142022 A b

Gas Giant, Eccentric 
Basic Data
Parent Star:  HD 142022 A (K0)
Discovery Status:  Confirmed
Planet Type:  Gas Giant, Eccentric
 
 
Physical Data
 
Mass ( M sin i ):  4.4 Jupiters
Periastron Distance:  1.2 AU
Mean Distance:  2.8 AU
Apastron Distance:  4.39 AU
Orbital Period:  1923 Days
Eccentricity:  0.57
Argument of Perihelion (omega):  172°
 
Inferred Properties
Average Angular Size of Star:  0.237°
Planet Appearance:
 White ammonia and water ice clouds, brown hydrocarbon stains
Periastron Temp:  242 Kelvin
Mean Temp:  158 Kelvin
Apastron Temp:  126 Kelvin
 
Discovery Facts
Year Discovered:  2005
Detection Method:  Doppler Spectroscopy