GJ 3470 b
Description: GJ 3470 b is an exoplanet orbiting the star GJ 3470, located in the constellation Cancer. With a mass of just under 14 Earth-masses, a radius approximately 4.3 times that of Earth's, and a high equilibrium temperature of 615 K, it is a hot Neptune.
Physical Properties
Mass (Jupiter mass): 0.0437340716735362 MJ
Radius (Jupiter radius): 0.408 RJ
Density: 0.8 g/cm³
Equilibrium Temperature: 593.5 K
Orbital Parameters
Orbital Period: 3.3366496 days
Semi-major Axis: 0.0355 AU
Eccentricity: 0.017
Inclination: 89.13°
Host Star Properties
Host Star: GJ 3470
Spectral Type: M1.5
Temperature: 3652.0 K
Stellar Mass: 0.5 M☉
Stellar Radius: 0.5 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11524
Host ID: 2.101292
Discovery Date: 2012-10
Discovery Year: 2012
Discovery Method: Radial Velocity
Discovery Locale: Ground
Discovery Facility: La Silla Observatory
Discovery Instrument: HARPS Spectrograph