GJ 1148 b · Asteria Star

Scientific overview

GJ 1148 b is a gas giant orbiting GJ 1148, completing an orbit every 41 days, about 36 light-years from Earth. It was discovered in 2010 using the radial velocity method.

Host star

GJ 1148

Spectral type

M5

Temperature

3,287 K

Mass

0.344 M☉

Planetary system — GJ 1148 system

View the GJ 1148 system (2 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
GJ 1148 bRadial Velocity · 2010	Gas giant	11.9	41.38	36
GJ 1148 cRadial Velocity · 2017	Gas giant	9.71	533	36

Discovery and detection

Detection method

Radial Velocity Method

Discovery year

2010

Discovered at

W. M. Keck Observatory

Knowledge connections

OrbitsGJ 1148
Member of systemGJ 1148 system
Discovered by methodRadial Velocity Method
Discovered atW. M. Keck Observatory
Catalogued inNASA Exoplanet Archive

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