Exoplanet

TOI-1694 b

Orbiting TOI-1694

Overview

TOI-1694 b is an exoplanet orbiting the star TOI-1694, discovered in 2023 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

5.27

Earth radii

015 R⊕

Mass

28.24

Earth masses

0500 M⊕

Orbital Period

3.8

days

0.1d10,000d

Distance

124.7

parsecs

Nearby10,000 pc

Equilibrium Temp

1037

K

150 K3,500 K

Radius (Earth radii)

5.27

Mass (Earth masses)

28.24

Measured

Equilibrium Temperature

1037 K

Parameter source: Mancini et al. 2026

Orbital Period

3.770+0.000−0.000days

Semi-Major Axis

0.0445+0.0013−0.0013au

Planet Mass (Earth masses)

28.24+1.05−1.06

Planet Mass (Jupiter masses)

0.0889+0.0033−0.0033

Eccentricity

0.1220+0.0250−0.0240

Argument of Periastron

-111.0+6.6−7.7deg

Radial Velocity Semi-Amplitude

13.26+0.45−0.46m/s

Distance from Earth

124.7 pc (~407 ly)

Spectral Type

K2 V - K3 V

Temperature

5005 K

Mass (Solar)

0.83 M☉

Radius (Solar)

0.81 R☉

Luminosity

-0.42 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

97.7487°, 66.3606°

Discovery Method

Transit

Discovery Year

2023

Data Sources
NASA Exoplanet Archive

Source ID: TOI-1694 b

System Context

TOI-1694 b orbits TOI-1694 and was reported in 2023 and was detected with the Transit method.

Published measurements list a radius of 5.27 Earth radii, a mass of 28.24 Earth masses, an orbital period of 3.77 days, and an equilibrium temperature near 1,037 K.

Catalog data places the system at about 124.7 parsecs from Earth, a host star classified as K2 V - K3 V, and 2 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open TOI-1694

More planets in this system

TOI-1694 c