GJ 887 b · Asteria Star

Scientific overview

GJ 887 b is a super-earth orbiting GJ 887, completing an orbit every 9 days, about 11 light-years from Earth. It was discovered in 2020 using the radial velocity method.

Host star

GJ 887

Spectral type

M1 V

Temperature

3,688 K

Mass

0.495 M☉

Planetary system — GJ 887 system

View the GJ 887 system (4 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
GJ 887 eRadial Velocity · 2026	Terrestrial planet	1.12	4.4249	11
GJ 887 bRadial Velocity · 2020	Super-Earth	1.8	9.2619	11
GJ 887 cRadial Velocity · 2020	Mini-Neptune	2.43	21.784	11
GJ 887 dRadial Velocity · 2026	Super-Earth	2.34	50.77	11

Discovery and detection

Detection method

Radial Velocity Method

Discovery year

2020

Discovered at

La Silla Observatory

Knowledge connections

OrbitsGJ 887
Member of systemGJ 887 system
Discovered by methodRadial Velocity Method
Discovered atLa Silla Observatory
Catalogued inNASA Exoplanet Archive

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