Exoplanet

LTT 1445 A b

Orbiting LTT 1445 A

Overview

LTT 1445 A b is an exoplanet orbiting the star LTT 1445 A, discovered in 2019 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

1.34

Earth radii

015 R⊕

Mass

2.73

Earth masses

0500 M⊕

Orbital Period

5.4

days

0.1d10,000d

Distance

6.9

parsecs

Nearby10,000 pc

Equilibrium Temp

431

K

150 K3,500 K

Radius (Earth radii)

1.34

Mass (Earth masses)

2.73

Measured

Equilibrium Temperature

431 K

Orbital Period

5.36 days

Distance from Earth

6.9 pc (~22 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.26 M☉

Radius (Solar)

0.27 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

3

Coordinates (RA, Dec)

45.4625°, -16.5945°

Discovery Method

Transit

Discovery Year

2019

Data Sources
NASA Exoplanet Archive

Source ID: LTT 1445 A b

System Context

LTT 1445 A b orbits LTT 1445 A and was reported in 2019 and was detected with the Transit method.

Published measurements list a radius of 1.34 Earth radii, a mass of 2.73 Earth masses, an orbital period of 5.36 days, and an equilibrium temperature near 431 K.

Catalog data places the system at about 6.9 parsecs from Earth and 2 known planets in the system.

Host star

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

Open LTT 1445 A

More planets in this system

LTT 1445 A c