Exoplanet

Kepler-1721 b

Orbiting Kepler-1721

Overview

Kepler-1721 b is an exoplanet orbiting the star Kepler-1721, discovered in 2021 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.12

Earth radii

015 R⊕

Mass (est.)

10.54

Earth masses

0500 M⊕

Orbital Period

4.6

days

0.1d10,000d

Distance

641.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

3.12

Mass (Earth masses)

10.54

Estimated

Equilibrium Temperature

Unknown

Parameter source: Valizadegan et al. 2022

Orbital Period

4.592days

Distance from Earth

641.4 pc (~2092 ly)

Spectral Type

Unknown

Temperature

5351 K

Mass (Solar)

0.89 M☉

Radius (Solar)

0.80 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

283.5442°, 45.2257°

Discovery Method

Transit

Discovery Year

2021

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-1721 b

System Context

Kepler-1721 b orbits Kepler-1721 and was reported in 2021 and was detected with the Transit method.

Published measurements list a radius of 3.12 Earth radii, a mass of 10.54 Earth masses (estimated), and an orbital period of 4.59 days.

Catalog data places the system at about 641.4 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 Kepler-1721