Confirmed Exoplanet Discovered 2024

TOI-6034 b

A gas giant orbiting the m-type red dwarf TOI-6034, located approximately 384.8 light-years from Earth.

Key parameters at a glance

  • A radius of 11.92 Earth radii
  • A mass of 254.00 Earth masses
  • Surface gravity around 1.79 g
  • An orbital period of 2.576 days
  • Semi-major axis 0.0295 AU
  • Equilibrium temperature 714 K (441 °C)
  • Distance from Earth 384.84 light-years
  • Earth Similarity Index 0.206
  • Travel time at Voyager 1 speed 6,786,618 years
  • Almost certainly tidally locked to its host star given the close orbit

TOI-6034 b Planet Profile

Physical Specs

Radius
11.92 R⊕
Radius (Jupiter)
1.063 R♃
Mass
254.00 M⊕
Mass (Jupiter)
0.798 M♃
Density
0.82 g/cm³
Surface Gravity
1.79 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.206
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

#1524of 1771

top 86.0%

This planet

11.92R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth TOI-6034 b Jupiter
Radius (R⊕)1.0011.9211.21
Mass (M⊕)1.00254.00317.83
Density (g/cm³)5.510.821.33
Surface Gravity (g)1.001.792.53
Insolation (S⊕)1.0043.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 254.000 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 388076422

Gaia DR2

Gaia DR2 2270404997834401664

Gaia DR3

Gaia DR3 2270404997834401664

System

TOI-6034

Percentile among Gas Giant cohort

Radius 11.920 R⊕ · percentile 14 / cohort 1771
Mass 254.000 M⊕ · percentile 27 / cohort 1747
Orbital period 2.58 d · percentile 11 / cohort 1533
Distance 117.99 pc · percentile 38 / cohort 1759
ESI 0.206 · percentile 40 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
2.576 days
Semi-major axis
0.0295 AU
Eccentricity
0.040
Inclination
87.06 °

Year Length

A year here lasts approximately 2.58 Earth days (0.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0295 AU.

Transit Fingerprint

Depth

4.990 %

Duration

1.560 h

Impact parameter b

0.674

Rp / R★

0.223300

Transit midpoint (BJD)

2,459,883.9055

Photometric dip

Transit produces a flux drop of 49,904 ppm lasting ≈ 1.56 h.

Extended Orbital Architecture

Planet / star radius ratio

0.223300

Semi-major axis / stellar radius

12.950

Impact parameter (b)

0.674

RV semi-amplitude (K)

184.000 m/s

Transit mid-time (BJD)

2,459,883.9055

Long. of periastron (ω)

-34.00°

Angular separation (arcsec)

0.25000

Eq. Temperature

714K

(441 °C)

Insolation (S⊕)

43.00

Earth = 1.00

Earth Similarity (ESI)

0.206

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

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

Kanodia et al. 2024

Instrument

TESS CCD Array

Publication

2024-08

Observation locale

Space

Host System: TOI-6034

Spectral Class

M-type red dwarf

Effective Temperature

3,635 K — cooler than the Sun (5,778 K)

Estimated Age

7.80 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.489 R☉

Stellar Mass

0.514 M☉

Metallicity [Fe/H]

-0.09

Extended Stellar Properties

Surface gravity (log g)

4.770 dex

Stellar density

6.190 g/cm³

Rotational v·sin i

2.00 km/s

Metallicity ratio

[Fe/H]

Distance
117.99 parsec
Light-years 384.84 ly
V-band magnitude
15.19 mag
Voyager-speed travel 6,786,618 yr

Multi-band Host Photometry — 11 bands

9.617.117.09B15.19V14.31Gaia13.23TESS11.90J11.27H11.02K10.89W110.84W210.90W39.60W4

Astrometric Data

Parallax

8.446 mas

Total Proper Motion

5.595 mas/yr

PM Right Ascension

-2.43 mas/yr

PM Declination

-5.04 mas/yr

Galactic Cartesian (pc)

x = 0.273 · y = -0.247 · z = 0.930

Equatorial (J2000)

RA 317.90014° · Dec 68.40208°

Galactic ℓ, b

104.865° · 13.643°

Ecliptic λ, β

27.704° · 72.032°

HTM-20 index

1607327878

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