GJ 273 b · Asteria Star

Scientific overview

GJ 273 b is a terrestrial planet orbiting GJ 273, completing an orbit every 19 days, about 19 light-years from Earth. It was discovered in 2017 using the radial velocity method.

Host star

GJ 273

Spectral type

M3.5

Temperature

3,382 K

Mass

0.29 M☉

Planetary system — GJ 273 system

View the GJ 273 system (2 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
GJ 273 cRadial Velocity · 2017	Terrestrial planet	1.06	4.7234	19
GJ 273 bRadial Velocity · 2017	Terrestrial planet	1.51	18.6498	19

Discovery and detection

Detection method

Radial Velocity Method

Discovery year

2017

Discovered at

La Silla Observatory

Knowledge connections

OrbitsGJ 273
Member of systemGJ 273 system
Discovered by methodRadial Velocity Method
Discovered atLa Silla Observatory
Catalogued inNASA Exoplanet Archive

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