LTT 3780 b
Orbiting LTT 3780
LTT 3780 b is an exoplanet orbiting the star LTT 3780, discovered in 2020 using the Transit method. It is a Earth-sized world.
Radius
1.32
Earth radii
Mass
2.46
Earth masses
Orbital Period
0.8
days
Distance
22.0
parsecs
Equilibrium Temp
903
K
Radius (Earth radii)
1.32
Mass (Earth masses)
2.46
Measured
Equilibrium Temperature
903 K
Parameter source: Bonfanti et al. 2024
Orbital Period
0.768+0.000−0.000days
Semi-Major Axis
0.0120+0.0003−0.0003au
Planet Mass (Earth masses)
2.46+0.19−0.19
Planet Mass (Jupiter masses)
0.0077+0.0006−0.0006
Eccentricity
0.0000
Argument of Periastron
90.0deg
Radial Velocity Semi-Amplitude
3.24+0.20−0.20m/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
Source ID: LTT 3780 b
LTT 3780 b orbits LTT 3780 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 1.33 Earth radii, a mass of 2.46 Earth masses, an orbital period of 0.77 days, and an equilibrium temperature near 903 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 3780More planets in this system