Exoplanet

LTT 3780 c

Orbiting LTT 3780

Overview

LTT 3780 c is an exoplanet orbiting the star LTT 3780, discovered in 2020 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

2.39

Earth radii

015 R⊕

Mass

8.04

Earth masses

0500 M⊕

Orbital Period

12.3

days

0.1d10,000d

Distance

22.0

parsecs

Nearby10,000 pc

Equilibrium Temp

359

K

150 K3,500 K

Radius (Earth radii)

2.39

Mass (Earth masses)

8.04

Measured

Equilibrium Temperature

359 K

Parameter source: Bonfanti et al. 2024

Orbital Period

12.252+0.0000.000days

Semi-Major Axis

0.0757+0.00180.0018au

Planet Mass (Earth masses)

8.04+0.500.48

Planet Mass (Jupiter masses)

0.0253+0.00160.0015

Eccentricity

0.0240+0.03200.0170

Argument of Periastron

-66.0+110.050.0deg

Radial Velocity Semi-Amplitude

4.22+0.160.16m/s

Distance from Earth

22.0 pc (~72 ly)

Spectral Type

Unknown

Temperature

3358 K

Mass (Solar)

0.38 M☉

Radius (Solar)

0.38 R☉

Luminosity

-1.78 log L☉

Planets in System

2

Stars in System

2

Coordinates (RA, Dec)

154.6449°, -11.7178°

Discovery Method

Transit

Discovery Year

2020

Data Sources

Source ID: LTT 3780 c

System Context

LTT 3780 c orbits LTT 3780 and was reported in 2020 and was detected with the Transit method.

Published measurements list a radius of 2.39 Earth radii, a mass of 8.04 Earth masses, an orbital period of 12.25 days, and an equilibrium temperature near 359 K.

Catalog data places the system at about 22 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 3780

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