Object Type:	Clarified Jovian, Eccentric
Parent Star:	HD 216770 (K1V)
Discovery Status:	Confirmed
Habitability:	Planet at inner edge of Habitable Zone at Mean Orbital Distance
Current Planet Habitability Zone
Mass ( M sin i ):	0.65 Jupiters
Periastron Distance:	0.28 AU
Mean Distance:	0.46 AU
Apastron Distance:	0.63 AU
Orbital Period:	118.45 ± 0.4 Days
Eccentricity:	0.37 ± 0.06
Argument of Perihelion (omega):	281 °
System Age:	3100 Myr
Planet Appearance:	Blue and cloudless
Estimated Radius:	0.979 Jupiters 1
Estimated Periastron Temp:	442 Kelvin
Estimated Mean Temp:	351 Kelvin
Estimated Apastron Temp:	300 Kelvin
Temp from Internal Heating :	99.7755 Kelvins 2
Max Angular Star Size:	2.089°
Mean Angular Star Size:	1.272°
Min Angular Star Size:	0.928°
Gravitational Influence (Hill Sphere):	0.028 AU / 4210000 km
Max Stable Prograde Moon Orbit:	0.01 AU / 1510000 km
Max Moon Mass:	0.8309 Earths 3
Tidally locked if older than:	> 20 Gyr 4
Estimated Bond Albedo:	~ 0.05 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:	2003
Detection Method:	Doppler Spectroscopy
Discovered By:	MAYOR M. et al

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