Exoplanet

TOI-1728 b

Orbiting TOI-1728

Overview

TOI-1728 b is an exoplanet orbiting the star TOI-1728, discovered in 2020 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

5.05

Earth radii

015 R⊕

Mass

26.78

Earth masses

0500 M⊕

Orbital Period

3.5

days

0.1d10,000d

Distance

60.8

parsecs

Nearby10,000 pc

Equilibrium Temp

767

K

150 K3,500 K

Radius (Earth radii)

5.05

Mass (Earth masses)

26.78

Measured

Equilibrium Temperature

767 K

Parameter source: Kanodia et al. 2020

Orbital Period

3.492+0.0000.000days

Semi-Major Axis

0.0391+0.00090.0009au

Planet Mass (Earth masses)

26.78+5.435.13

Planet Mass (Jupiter masses)

0.0843+0.01710.0161

Eccentricity

0.0570+0.05400.0390

Epoch of Periastron

2458843.71+0.701.01days(BJD-TDB)

Argument of Periastron

45.0+104.0187.0deg

Radial Velocity Semi-Amplitude

15.12+3.042.87m/s

Distance from Earth

60.8 pc (~198 ly)

Spectral Type

M0

Temperature

3980 K

Mass (Solar)

0.65 M☉

Radius (Solar)

0.62 R☉

Luminosity

-1.06 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

120.6117°, 64.7972°

Discovery Method

Transit

Discovery Year

2020

Data Sources

Source ID: TOI-1728 b

System Context

TOI-1728 b orbits TOI-1728 and was reported in 2020 and was detected with the Transit method.

Published measurements list a radius of 5.05 Earth radii, a mass of 26.78 Earth masses, an orbital period of 3.49 days, and an equilibrium temperature near 767 K.

Catalog data places the system at about 60.8 parsecs from Earth, a host star classified as M0, 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-1728
TOI-1728 b