Confirmed Exoplanet Discovered 2024

TOI-6029 b

A gas giant orbiting the f-type yellow-white TOI-6029, located approximately 1,967.1 light-years from Earth.

Key parameters at a glance

  • A radius of 14.39 Earth radii
  • A mass of 519.65 Earth masses
  • Surface gravity around 2.51 g
  • An orbital period of 5.799 days
  • Equilibrium temperature 1,484 K (1211 °C)
  • Distance from Earth 1,967.11 light-years
  • Earth Similarity Index 0.090
  • Travel time at Voyager 1 speed 34,689,962 years

TOI-6029 b Planet Profile

Physical Specs

Radius
14.39 R⊕
Radius (Jupiter)
1.284 R♃
Mass
519.65 M⊕
Mass (Jupiter)
1.635 M♃
Density
0.96 g/cm³
Surface Gravity
2.51 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.090
HZ Position Inner
Controversial No

Discovery

Year 2024
Method Transit
Facility Transiting Exoplanet Survey Satellite (TESS)
Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#292of 1771

top 16.4%

This planet

14.39R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth TOI-6029 b Jupiter
Radius (R⊕)1.0014.3911.21
Mass (M⊕)1.00519.65317.83
Density (g/cm³)5.510.961.33
Surface Gravity (g)1.002.512.53
Insolation (S⊕)1.00806.790.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 519.649 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 419523962

Gaia DR2

Gaia DR2 430269136520563200

Gaia DR3

Gaia DR3 430269136520563200

System

TOI-6029

Percentile among Gas Giant cohort

Radius 14.392 R⊕ · percentile 84 / cohort 1771
Mass 519.649 M⊕ · percentile 50 / cohort 1747
Orbital period 5.80 d · percentile 39 / cohort 1533
Distance 603.12 pc · percentile 78 / cohort 1759
ESI 0.090 · percentile 23 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
5.799 days
Semi-major axis
AU
Eccentricity
0.091
Inclination
°

Year Length

A year here lasts approximately 5.80 Earth days (1.6% of a terrestrial year) on a nearly circular orbit.

Transit Fingerprint

Depth

0.239 %

Duration

5.684 h

Rp / R★

0.056000

Transit midpoint (BJD)

2,459,667.0670

Photometric dip

Transit produces a flux drop of 2,387 ppm lasting ≈ 5.68 h.

Extended Orbital Architecture

Planet / star radius ratio

0.056000

Semi-major axis / stellar radius

7.170

RV semi-amplitude (K)

137.000 m/s

Transit mid-time (BJD)

2,459,667.0670

Sky-projected obliquity (λ)

-14.40°

Eq. Temperature

1,484K

(1211 °C)

Insolation (S⊕)

806.79

Earth = 1.00

Earth Similarity (ESI)

0.090

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Radial velocity

Stellar wobble has been measured spectroscopically.

Discovery Paper

Primary reference

Saunders et al. 2024

Instrument

TESS CCD Array

Publication

2024-08

Observation locale

Space

Host System: TOI-6029

Spectral Class

F-type yellow-white

Effective Temperature

6,223 K — hotter than the Sun (5,778 K)

Estimated Age

2.31 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

2.338 R☉

Stellar Mass

1.548 M☉

Metallicity [Fe/H]

0.37

Extended Stellar Properties

Surface gravity (log g)

3.886 dex

Stellar density

0.090 g/cm³

Rotational v·sin i

10.40 km/s

Metallicity ratio

[Fe/H]

Distance
603.12 parsec
Light-years 1,967.11 ly
V-band magnitude
12.86 mag
Voyager-speed travel 34,689,962 yr

Multi-band Host Photometry — 11 bands

9.713.213.24B12.86V12.27Gaia11.66TESS10.79J10.48H10.37K10.29W110.31W210.48W39.74W4

Astrometric Data

Parallax

1.630 mas

Total Proper Motion

4.074 mas/yr

PM Right Ascension

-0.49 mas/yr

PM Declination

4.04 mas/yr

Galactic Cartesian (pc)

x = 0.467 · y = 0.069 · z = 0.882

Equatorial (J2000)

RA 8.38626° · Dec 61.86077°

Galactic ℓ, b

120.824° · -0.938°

Ecliptic λ, β

41.570° · 51.415°

HTM-20 index

-689798495

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