GJ 15 A b · Asteria Star

Scientific overview

GJ 15 A b is a terrestrial planet orbiting GJ 15 A, completing an orbit every 11 days, about 12 light-years from Earth. It was discovered in 2014 using the radial velocity method.

Host star

GJ 15 A

Spectral type

M1

Temperature

3,607 K

Mass

0.38 M☉

Planetary system — GJ 15 A system

View the GJ 15 A system (2 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
GJ 15 A bRadial Velocity · 2014	Terrestrial planet	1.55	11.4407	12
GJ 15 A cRadial Velocity · 2018	Gas giant	6.67	7600	12

Discovery and detection

Detection method

Radial Velocity Method

Discovery year

2014

Discovered at

W. M. Keck Observatory

Knowledge connections

OrbitsGJ 15 A
Member of systemGJ 15 A system
Discovered by methodRadial Velocity Method
Discovered atW. M. Keck Observatory
Catalogued inNASA Exoplanet Archive

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