YZ Cet d · Asteria Star

Scientific overview

YZ Cet d is a terrestrial planet orbiting YZ Cet, completing an orbit every 5 days, about 12 light-years from Earth. It was discovered in 2017 using the radial velocity method.

Host star

YZ Cet

Spectral type

M4.5 V

Temperature

3,151 K

Mass

0.142 M☉

Planetary system — YZ Cet system

View the YZ Cet system (3 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
YZ Cet bRadial Velocity · 2017	Terrestrial planet	0.91	2.0209	12
YZ Cet cRadial Velocity · 2017	Terrestrial planet	1.05	3.0599	12
YZ Cet dRadial Velocity · 2017	Terrestrial planet	1.03	4.6563	12

Discovery and detection

Detection method

Radial Velocity Method

Discovery year

2017

Discovered at

La Silla Observatory

Knowledge connections

OrbitsYZ Cet
Member of systemYZ Cet system
Discovered by methodRadial Velocity Method
Discovered atLa Silla Observatory
Catalogued inNASA Exoplanet Archive

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