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AsteriaStar
Gas giant · GJ 317

GJ 317 b

ExoplanetsDiscovered 2007

Scientific overview

GJ 317 b is a gas giant orbiting GJ 317, completing an orbit every 696 days, about 50 light-years from Earth. It was discovered in 2007 using the radial velocity method.

Host star

Host star
GJ 317
Spectral type
M3.5 V
Temperature
3,496 K
Mass
0.402 M☉

Planetary system — GJ 317 system

View the GJ 317 system (2 known planets).

PlanetRadius (R⊕)Period (d)
GJ 317 bRadial Velocity · 200713.3696
GJ 317 cRadial Velocity · 201613.66500

Discovery and detection

Detection method
Radial Velocity Method
Discovery year
2007
Discovered at
W. M. Keck Observatory

Knowledge connections