TOI-270 b · Asteria Star

Scientific overview

TOI-270 b is a terrestrial planet orbiting TOI-270, completing an orbit every 3 days, about 73 light-years from Earth. It was discovered in 2019 using the transit method.

Host star

TOI-270

Spectral type

M3 V

Temperature

3,506 K

Mass

0.386 M☉

Planetary system — TOI-270 system

View the TOI-270 system (3 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
TOI-270 bTransit · 2019	Terrestrial planet	1.28	3.3599	73
TOI-270 cTransit · 2019	Super-Earth	2.33	5.6605	73
TOI-270 dTransit · 2019	Super-Earth	2	11.3819	73

Discovery and detection

Detection method

Transit Method

Discovery year

2019

Discovered at

TESS

Knowledge connections

OrbitsTOI-270
Member of systemTOI-270 system
Discovered by methodTransit Method
Discovered by missionTESS
Catalogued inNASA Exoplanet Archive

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