Exoplanet

TOI-1227 b

Orbiting TOI-1227

Overview

TOI-1227 b is an exoplanet orbiting the star TOI-1227, discovered in 2022 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

9.57

Earth radii

015 R⊕

Mass (est.)

70.75

Earth masses

0500 M⊕

Orbital Period

27.4

days

0.1d10,000d

Distance

100.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

9.57

Mass (Earth masses)

70.75

Estimated

Equilibrium Temperature

Unknown

Parameter source: Mann et al. 2022

Orbital Period

27.364+0.000−0.000days

Semi-Major Axis

0.0886+0.0054−0.0057au

Distance from Earth

100.6 pc (~328 ly)

Spectral Type

M4.5V-M5V

Temperature

3072 K

Mass (Solar)

0.17 M☉

Radius (Solar)

0.56 R☉

Luminosity

-2.60 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

186.7674°, -72.4519°

Discovery Method

Transit

Discovery Year

2022

Data Sources
NASA Exoplanet Archive

Source ID: TOI-1227 b

System Context

TOI-1227 b orbits TOI-1227 and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 9.57 Earth radii, a mass of 70.75 Earth masses (estimated), and an orbital period of 27.36 days.

Catalog data places the system at about 100.6 parsecs from Earth, a host star classified as M4.5V-M5V, and 1 known planet in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open TOI-1227