» Extrasolar Planet Guide » Brown Dwarfs » HD 202206 » HD 202206 c


Water Cloud Jovian, Eccentric
Object Type: Water Cloud Jovian, Eccentric
Parent Star: HD 202206 (G6 V)
Discovery Status: Confirmed
Orbit of HD 202206 c Current Planet
Habitability Zone Habitability Zone
Mass ( M sin i ): 2.44 Jupiters
Periastron Distance: 1.86 AU
Mean Distance: 2.55 AU
Apastron Distance: 3.23 AU
Orbital Period: 1383.4 ± 18.4 Days
Eccentricity: 0.267 ± 0.021
Argument of Perihelion (omega):
78.99 °
System Age: 600 Myr
Planet Appearance:
White water ice clouds
Estimated Radius:
1.097 Jupiters 1
Estimated Periastron Temp: 193 Kelvin
Estimated Mean Temp: 165 Kelvin
Estimated Apastron Temp: 147 Kelvin
Temp from
Internal Heating :

258.648 Kelvins 2
Max Angular Star Size: 0.323°
Mean Angular Star Size: 0.235°
Min Angular Star Size: 0.186°
Gravitational Influence
(Hill Sphere):
0.223 AU / 33460000 km
Max Stable Prograde Moon Orbit: 0.08 AU / 12040000 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: 2004
Detection Method: Doppler Spectroscopy
Discovered By: CORREIA A., UDRY S., MAYOR M., LASKAR J., NAEF D., PEPE F., QUELOZ D., & SANTOS N



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