Exoplanet

TOI-4603 b

Orbiting TOI-4603

Overview

TOI-4603 b is an exoplanet orbiting the star TOI-4603, discovered in 2023 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

11.68

Earth radii

015 R⊕

Mass

4096.81

Earth masses

0500 M⊕

Orbital Period

7.2

days

0.1d10,000d

Distance

225.6

parsecs

Nearby10,000 pc

Equilibrium Temp

1677

K

150 K3,500 K

Radius (Earth radii)

11.68

Mass (Earth masses)

4096.81

Measured

Equilibrium Temperature

1677 K

Parameter source: Khandelwal et al. 2023

Orbital Period

7.246+0.000−0.000days

Semi-Major Axis

0.0888+0.0010−0.0010au

Planet Mass (Earth masses)

4096.81+184.34−181.16

Planet Mass (Jupiter masses)

12.8900+0.5800−0.5700

Eccentricity

0.3250+0.0200−0.0200

Epoch of Periastron

2459548.36+0.07−0.08days(BJD-TDB)

Argument of Periastron

20.4+4.6−4.7deg

Radial Velocity Semi-Amplitude

962.00+37.00−35.00m/s

Distance from Earth

225.6 pc (~736 ly)

Spectral Type

F

Temperature

6264 K

Mass (Solar)

1.76 M☉

Radius (Solar)

2.74 R☉

Luminosity

1.02 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

83.8659°, 21.2942°

Discovery Method

Transit

Discovery Year

2023

Data Sources
NASA Exoplanet Archive

Source ID: TOI-4603 b

System Context

TOI-4603 b orbits TOI-4603 and was reported in 2023 and was detected with the Transit method.

Published measurements list a radius of 11.68 Earth radii, a mass of 4,096.81 Earth masses, an orbital period of 7.25 days, and an equilibrium temperature near 1,677 K.

Catalog data places the system at about 225.6 parsecs from Earth, a host star classified as F, 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-4603