Exoplanet

LTT 1445 A c

Orbiting LTT 1445 A

Overview

LTT 1445 A c is an exoplanet orbiting the star LTT 1445 A, discovered in 2022 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

1.15

Earth radii

015 R⊕

Mass

1.54

Earth masses

0500 M⊕

Orbital Period

3.1

days

0.1d10,000d

Distance

6.9

parsecs

Nearby10,000 pc

Equilibrium Temp

508

K

150 K3,500 K

Radius (Earth radii)

1.15

Mass (Earth masses)

1.54

Measured

Equilibrium Temperature

508 K

Parameter source: Winters et al. 2022

Orbital Period

3.124+0.000−0.000days

Semi-Major Axis

0.0266+0.0005−0.0005au

Planet Mass (Earth masses)

1.54+0.20−0.19

Planet Mass (Jupiter masses)

0.0048+0.0006−0.0006

Eccentricity

<0.223

Radial Velocity Semi-Amplitude

1.67+0.21−0.20m/s

Distance from Earth

6.9 pc (~22 ly)

Spectral Type

Unknown

Temperature

3340 K

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

2022

Data Sources
NASA Exoplanet Archive

Source ID: LTT 1445 A c

System Context

LTT 1445 A c orbits LTT 1445 A and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 1.15 Earth radii, a mass of 1.54 Earth masses, an orbital period of 3.12 days, and an equilibrium temperature near 508 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 b