Exoplanet

Kepler-1661 b

Orbiting Kepler-1661

Overview

Kepler-1661 b is an exoplanet orbiting the star Kepler-1661, discovered in 2020 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.87

Earth radii

015 R⊕

Mass

17.00

Earth masses

0500 M⊕

Orbital Period

175.1

days

0.1d10,000d

Distance

410.6

parsecs

Nearby10,000 pc

Equilibrium Temp

243

K

150 K3,500 K

Radius (Earth radii)

3.87

Mass (Earth masses)

17.00

Measured

Equilibrium Temperature

243 K

Orbital Period

175.06 days

Distance from Earth

410.6 pc (~1339 ly)

Spectral Type

K

Temperature

5100 K

Mass (Solar)

0.84 M☉

Radius (Solar)

0.76 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

285.1671°, 41.9669°

Discovery Method

Transit

Discovery Year

2020

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-1661 b

System Context

Kepler-1661 b orbits Kepler-1661 and was reported in 2020 and was detected with the Transit method.

Published measurements list a radius of 3.87 Earth radii, a mass of 17 Earth masses, an orbital period of 175.06 days, and an equilibrium temperature near 243 K.

Catalog data places the system at about 410.6 parsecs from Earth, a host star classified as K, 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-1661