Mini-Neptune · GJ 581
GJ 581 b
ExoplanetsDiscovered 2005
Scientific overview
GJ 581 b is a mini-neptune orbiting GJ 581, completing an orbit every 5 days, about 21 light-years from Earth. It was discovered in 2005 using the radial velocity method.
Host star
Planetary system — GJ 581 system
View the GJ 581 system (3 known planets).
Discovery and detection
Knowledge connections
- OrbitsGliese 581
- Member of systemGJ 581 system
- Discovered by methodRadial Velocity Method
- Discovered atLa Silla Observatory
- Catalogued inNASA Exoplanet Archive