Exoplanet

TOI-778 b

Orbiting TOI-778

Overview

TOI-778 b is an exoplanet orbiting the star TOI-778, discovered in 2023 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

15.40

Earth radii

015 R⊕

Mass

878.00

Earth masses

0500 M⊕

Orbital Period

4.6

days

0.1d10,000d

Distance

161.7

parsecs

Nearby10,000 pc

Equilibrium Temp

1561

K

150 K3,500 K

Radius (Earth radii)

15.40

Mass (Earth masses)

878.00

Measured

Equilibrium Temperature

1561 K

Parameter source: Clark et al. 2023

Orbital Period

4.634+0.000−0.000days

Semi-Major Axis

0.0600+0.0030−0.0030au

Planet Mass (Earth masses)

878.00+77.00−72.00

Planet Mass (Jupiter masses)

2.8000+0.2000−0.2000

Eccentricity

0.2100+0.0400−0.0400

Argument of Periastron

28.0+12.0−10.0deg

Radial Velocity Semi-Amplitude

271.00+17.00−17.00m/s

Distance from Earth

161.7 pc (~528 ly)

Spectral Type

F3 V

Temperature

6643 K

Mass (Solar)

1.40 M☉

Radius (Solar)

1.71 R☉

Luminosity

0.76 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

199.3339°, -15.2737°

Discovery Method

Transit

Discovery Year

2023

Data Sources
NASA Exoplanet Archive

Source ID: TOI-778 b

System Context

TOI-778 b orbits TOI-778 and was reported in 2023 and was detected with the Transit method.

Published measurements list a radius of 15.4 Earth radii, a mass of 878 Earth masses, an orbital period of 4.63 days, and an equilibrium temperature near 1,561 K.

Catalog data places the system at about 161.7 parsecs from Earth, a host star classified as F3 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 TOI-778