Exoplanet

TOI-1883 b

Orbiting TOI-1883

Overview

TOI-1883 b is an exoplanet orbiting the star TOI-1883, discovered in 2024 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

5.65

Earth radii

015 R⊕

Mass

13.70

Earth masses

0500 M⊕

Orbital Period

4.5

days

0.1d10,000d

Distance

115.4

parsecs

Nearby10,000 pc

Equilibrium Temp

544

K

150 K3,500 K

Radius (Earth radii)

5.65

Mass (Earth masses)

13.70

Measured

Equilibrium Temperature

544 K

Parameter source: Fukuda et al. 2026

Orbital Period

4.508+0.002−0.003days

Semi-Major Axis

0.0423+0.0010−0.0021au

Planet Mass (Earth masses)

13.70+6.80−6.50

Planet Mass (Jupiter masses)

0.0431+0.0214−0.0205

Eccentricity

0.0000

Argument of Periastron

0.0deg

Radial Velocity Semi-Amplitude

8.50+4.22−3.99m/s

Distance from Earth

115.4 pc (~376 ly)

Spectral Type

Unknown

Temperature

3554 K

Mass (Solar)

0.49 M☉

Radius (Solar)

0.51 R☉

Luminosity

-1.43 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

134.0892°, -12.9306°

Discovery Method

Transit

Discovery Year

2024

Data Sources
NASA Exoplanet Archive

Source ID: TOI-1883 b

System Context

TOI-1883 b orbits TOI-1883 and was reported in 2024 and was detected with the Transit method.

Published measurements list a radius of 5.65 Earth radii, a mass of 13.7 Earth masses, an orbital period of 4.51 days, and an equilibrium temperature near 544 K.

Catalog data places the system at about 115.4 parsecs from Earth 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-1883
TOI-1883 b