LTT 9779 b
Orbiting LTT 9779
LTT 9779 b is an exoplanet orbiting the star LTT 9779, discovered in 2020 using the Transit method. It is a Neptune-sized world.
Radius
4.72
Earth radii
Mass
29.32
Earth masses
Orbital Period
0.8
days
Distance
80.4
parsecs
Equilibrium Temp
1978
K
Radius (Earth radii)
4.72
Mass (Earth masses)
29.32
Measured
Equilibrium Temperature
1978 K
Parameter source: Jenkins et al. 2020
Orbital Period
0.792+0.000−0.000days
Semi-Major Axis
0.0168+0.0001−0.0001au
Planet Mass (Earth masses)
29.32+0.78−0.81
Planet Mass (Jupiter masses)
0.0923+0.0025−0.0025
Eccentricity
0.0000
Argument of Periastron
90.0deg
Radial Velocity Semi-Amplitude
19.65+0.43−0.43m/s
Distance from Earth
80.4 pc (~262 ly)
Spectral Type
G7 V
Temperature
5443 K
Mass (Solar)
1.02 M☉
Radius (Solar)
0.95 R☉
Luminosity
-0.17 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
358.6689°, -37.6282°
Discovery Method
Transit
Discovery Year
2020
Source ID: LTT 9779 b
LTT 9779 b orbits LTT 9779 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 4.72 Earth radii, a mass of 29.32 Earth masses, an orbital period of 0.79 days, and an equilibrium temperature near 1,978 K.
Catalog data places the system at about 80.4 parsecs from Earth, a host star classified as G7 V, 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 LTT 9779