Exoplanet

ZTF J1828+2308 b

Orbiting ZTF J1828+2308

Overview

ZTF J1828+2308 b is an exoplanet orbiting the star ZTF J1828+2308, discovered in 2025 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

11.13

Earth radii

015 R⊕

Mass

6356.57

Earth masses

0500 M⊕

Orbital Period

0.1

days

0.1d10,000d

Distance

201.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

11.13

Mass (Earth masses)

6356.57

Measured

Equilibrium Temperature

Unknown

Parameter source: Parsons et al. 2025

Orbital Period

0.112+0.000−0.000days

Planet Mass (Earth masses)

6356.57+317.83−317.83

Planet Mass (Jupiter masses)

20.0000+1.0000−1.0000

Radial Velocity Semi-Amplitude

10500.00+1100.00−1100.00m/s

Distance from Earth

201.8 pc (~658 ly)

Spectral Type

Unknown

Temperature

15900 K

Mass (Solar)

0.61 M☉

Radius (Solar)

0.01 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

277.2032°, 23.1439°

Discovery Method

Transit

Discovery Year

2025

Data Sources
NASA Exoplanet Archive

Source ID: ZTF J1828+2308 b

System Context

ZTF J1828+2308 b orbits ZTF J1828+2308 and was reported in 2025 and was detected with the Transit method.

Published measurements list a radius of 11.13 Earth radii, a mass of 6,356.57 Earth masses, and an orbital period of 0.11 days.

Catalog data places the system at about 201.8 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 ZTF J1828+2308