Extrasolar Visions - HD 93083 b

» Extrasolar Planet Guide » Companions of Normal Stars » HD 93083 » HD 93083 b

Sulfurous Cloud Jovian

Object Type:

Sulfurous Cloud Jovian

Parent Star:

HD 93083 (K3 V)

Discovery Status:

Confirmed

Habitability:

Planet at inner edge of Habitable Zone at Mean Orbital Distance

Current Planet

Habitability Zone

Mass ( M sin i ):

0.37 Jupiters

Periastron Distance:

0.41 AU

Mean Distance:

0.477 AU

Apastron Distance:

0.54 AU

Orbital Period:

143.58 ± 0.6 Days

Eccentricity:

0.14 ± 0.03

Argument of Perihelion (omega):

333.5 °

Planet Appearance:

Sulfur stained clouds of water or H₂SO₄

Estimated Radius:

0.333 Jupiters ¹

Estimated Periastron Temp:

342 Kelvin

Estimated Mean Temp:

317 Kelvin

Estimated Apastron Temp:

297 Kelvin

Temp from
Internal Heating :

28.5245 Kelvins ²

Max Angular Star Size:

1.336°

Mean Angular Star Size:

1.148°

Min Angular Star Size:

1.014°

Gravitational Influence
(Hill Sphere):

0.026 AU / 3930000 km

Max Stable Prograde Moon Orbit:

0.009 AU / 1410000 km

Max Moon Mass:

2.3573 Earths ³^,⁴

Tidally locked if older than:

> 20 Gyr ⁵

Estimated Bond Albedo:

~ 0.7 ⁶

Notes:
    ¹ from planet formation models of Burrows et al
    ² from planet formation models of Burrows et al
    ³ assuming age of 5 Gyr
    ⁴ based on periastron due to high eccentricity
    ⁵ orbit may be too eccentric for 1:1 tidal lock
    ⁶ from Sudarsky et al. 2000

Year Discovered:

2005

Detection Method:

Doppler Spectroscopy

Discovered By:

C. Lovis, M. Mayor, F. Pepe, D. Queloz, N.C. Santos, D. Sosnowska, S. Udry, W. Benz, J.-L. Bertaux, F. Bouchy, C. Mordasini, J.-P. Sivan

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