White ammonia and water ice clouds, brown hydrocarbon stains
Estimated Radius:
1.039 Jupiters 1
Estimated Periastron Temp:
122 Kelvin
Estimated Mean Temp:
100 Kelvin
Estimated Apastron Temp:
87 Kelvin
Temp from Internal Heating :
174.962 Kelvins 2
Max Angular Star Size:
0.137°
Mean Angular Star Size:
0.092°
Min Angular Star Size:
0.069°
Gravitational Influence (Hill Sphere):
0.56 AU / 83820000 km
Max Stable Prograde Moon Orbit:
0.201 AU / 30170000 km
Max Moon Mass:
> 10 Earths 3
Tidally locked if older than:
> 20 Gyr 4
Estimated Bond Albedo:
~ 0.55 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:
13 Jun 2002
Detection Method:
Doppler Spectroscopy
Discovered By:
Butler et al.
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Moons of 55 Cancri d More massive than Jupiter, 55 Cancri d is, nonetheless, one of the few planets so far found at Jupiter like orbital distances. Here we see the gas giant with its retinue of moons.
Current Planet
Habitability Zone
