» Extrasolar Planet Guide » Companions of Normal Stars » HD 106252 » HD 106252 b


Water Cloud Jovian, Eccentric
Object Type: Water Cloud Jovian, Eccentric
Parent Star: HD 106252 (G0 V)
Discovery Status: Confirmed
Orbit of HD 106252 b Current Planet
Habitability Zone Habitability Zone
Mass ( M sin i ): 6.81 Jupiters
Periastron Distance: 1.2 AU
Mean Distance: 2.61 AU
Apastron Distance: 4.01 AU
Orbital Period: 1500 ± 28 Days
Eccentricity: 0.54 ± 0.05
Argument of Perihelion (omega):
290 °
Radial Velocity of Star: 139 m/s
System Age: 5000 Myr
Planet Appearance:
White water ice clouds
Estimated Radius:
1.026 Jupiters 1
Estimated Periastron Temp: 240 Kelvin
Estimated Mean Temp: 163 Kelvin
Estimated Apastron Temp: 131 Kelvin
Temp from
Internal Heating :

230.357 Kelvins 2
Max Angular Star Size: 0.474°
Mean Angular Star Size: 0.218°
Min Angular Star Size: 0.141°
Gravitational Influence
(Hill Sphere):
0.332 AU / 49710000 km
Max Stable Prograde Moon Orbit: 0.119 AU / 17890000 km
Max Moon Mass: > 10 Earths 3
Tidally locked if older than: > 20 Gyr 4
Estimated Bond Albedo: ~ 0.79 5
Notes:
     1 from planet formation models of Burrows et al
     2 from planet formation models of Burrows et al
     3 based on periastron due to high eccentricity
     4 orbit may be too eccentric for 1:1 tidal lock
     5 from Sudarsky et al. 2000
Year Discovered: 2001
Detection Method: Doppler Spectroscopy
Discovered By: Michel Mayor, Dominique Naef, Francesco Pepe, Didier Queloz, Nuno C. Santos, Stephane Udry, Michel Burnet



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