Exoplanet

TYC 0434-04538-1 b

Orbiting TYC 0434-04538-1

Overview

TYC 0434-04538-1 b is an exoplanet orbiting the star TYC 0434-04538-1, discovered in 2021 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

1938.76

Earth masses

0500 M⊕

Orbital Period

193.2

days

0.1d10,000d

Distance

613.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

1938.76

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Niedzielski et al. 2021

Orbital Period

193.200+0.400−0.400days

Semi-Major Axis

0.6600+0.0400−0.0400au

M sin(i) (Earth masses)

1938.76+222.48−222.48

M sin(i) (Jupiter masses)

6.1000+0.7000−0.7000

Eccentricity

0.0800+0.0500−0.0300

Epoch of Periastron

2454829.50+15.00−18.00days(JD)

Argument of Periastron

196.0+30.0−34.0deg

Radial Velocity Semi-Amplitude

209.00+2.00−2.00m/s

Distance from Earth

613.4 pc (~2001 ly)

Spectral Type

Unknown

Temperature

4679 K

Mass (Solar)

1.04 M☉

Radius (Solar)

9.99 R☉

Luminosity

1.67 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

271.3397°, 2.0623°

Discovery Method

Radial Velocity

Discovery Year

2021

Data Sources
NASA Exoplanet Archive

Source ID: TYC 0434-04538-1 b

System Context

TYC 0434-04538-1 b orbits TYC 0434-04538-1 and was reported in 2021 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 1,938.76 Earth masses (M sin i) and an orbital period of 193.2 days.

Catalog data places the system at about 613.4 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 TYC 0434-04538-1