GJ 876 e · Asteria Star

Scientific overview

GJ 876 e is a mini-neptune orbiting GJ 876, completing an orbit every 124 days, about 15 light-years from Earth. It was discovered in 2010 using the radial velocity method.

Host star

GJ 876

Spectral type

M2.5V

Temperature

3,294 K

Mass

0.32 M☉

Planetary system — GJ 876 system

View the GJ 876 system (4 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
GJ 876 dRadial Velocity · 2005	Mini-Neptune	2.51	1.9378	15
GJ 876 cRadial Velocity · 2000	Gas giant	14	30.0881	15
GJ 876 bRadial Velocity · 1998	Gas giant	13.3	61.1166	15
GJ 876 eRadial Velocity · 2010	Mini-Neptune	3.92	124	15

Discovery and detection

Detection method

Radial Velocity Method

Discovery year

2010

Discovered at

W. M. Keck Observatory

Knowledge connections

OrbitsGJ 876
Member of systemGJ 876 system
Discovered by methodRadial Velocity Method
Discovered atW. M. Keck Observatory
Catalogued inNASA Exoplanet Archive

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