» Extrasolar Planet Guide » HD 104985 » HD 104985 b


Clarified Jovian
Object Type: Clarified Jovian
Parent Star: HD 104985 (G9 III)
Discovery Status: Confirmed
Orbit of HD 104985 b Current Planet
Habitability Zone Habitability Zone
Mass ( M sin i ): 6.3 Jupiters
Mean Distance: 0.78 AU
Orbital Period: 198.2 ± 0.3 Days
Eccentricity: 0.03 ± 0.02
Argument of Perihelion (omega):
310 °
Planet Appearance:
Blue and cloudless
Estimated Radius:
1.03 Jupiters 1
Estimated Mean Temp: 782 Kelvin
Temp from
Internal Heating :

221.117 Kelvins 2
Mean Angular Star Size: 5.953°
Gravitational Influence
(Hill Sphere):
0.085 AU / 12850000 km
Max Stable Prograde Moon Orbit: 0.03 AU / 4620000 km
Max Moon Mass: > 10 Earths 3
Tidally locked if older than: > 20 Gyr 4
Estimated Bond Albedo: ~ 0.1 5
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 orbit may be too eccentric for 1:1 tidal lock
     5 from Sudarsky et al. 2000
Year Discovered: 2003
Detection Method: Doppler Spectroscopy
Discovered By: SATO B., ANDO H., KAMBE E., TAKEDA Y., IZUMIURA H., MASUDA S., WATANABE E., NOGUCHI K., WADA S., OKADA N., KOYANO H., MAEHARA H., NORIMOTO Y., OKADA T., SHIMIZU Y., URAGUCHI F., YANAGISAWA K. & YOSHIDA M.



First planet discovered by a Japanese team.


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