Exoplanet
GJ 436 b
Orbiting GJ 436
Overview
GJ 436 b is an exoplanet orbiting the star GJ 436, discovered in 2004 using the Radial Velocity method. It is a Neptune-sized world.
Key Measurements
Radius
4.17
Earth radii
015 R⊕
Mass
22.10
Earth masses
0500 M⊕
Orbital Period
2.6
days
0.1d10,000d
Distance
9.8
parsecs
Nearby10,000 pc
Radius (Earth radii)
4.17
Mass (Earth masses)
22.10
Measured
Equilibrium Temperature
Unknown
Orbital Period
2.64 days
Distance from Earth
9.8 pc (~32 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
0.47 M☉
Radius (Solar)
0.46 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
175.5505°, 26.7031°
Discovery Method
Radial Velocity
Discovery Year
2004
Data Sources
Source ID: GJ 436 b