Confirmed Exoplanet Discovered 2025

TOI-7041 b

A gas giant orbiting the k-type orange TOI-7041, located approximately 1,433.5 light-years from Earth.

Key parameters at a glance

  • A radius of 11.43 Earth radii
  • A mass of 114.42 Earth masses
  • Surface gravity around 0.88 g
  • An orbital period of 9.691 days
  • Equilibrium temperature 882 K (609 °C)
  • Distance from Earth 1,433.52 light-years
  • Earth Similarity Index 0.150
  • Travel time at Voyager 1 speed 25,280,139 years
  • Almost certainly tidally locked to its host star given the close orbit

TOI-7041 b Planet Profile

Physical Specs

Radius
11.43 R⊕
Radius (Jupiter)
1.020 R♃
Mass
114.42 M⊕
Mass (Jupiter)
0.360 M♃
Density
0.42 g/cm³
Surface Gravity
0.88 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.150
HZ Position Inner
Controversial No

Discovery

Year 2025
Method Transit
Facility Transiting Exoplanet Survey Satellite (TESS)
Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#1598of 1771

top 90.2%

This planet

11.43R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth TOI-7041 b Jupiter
Radius (R⊕)1.0011.4311.21
Mass (M⊕)1.00114.42317.83
Density (g/cm³)5.510.421.33
Surface Gravity (g)1.000.882.53
Insolation (S⊕)1.00143.260.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 114.418 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 201175570

Gaia DR2

Gaia DR2 6522218077348813440

Gaia DR3

Gaia DR3 6522218077351129216

System

TOI-7041

Percentile among Gas Giant cohort

Radius 11.433 R⊕ · percentile 10 / cohort 1771
Mass 114.418 M⊕ · percentile 7 / cohort 1747
Orbital period 9.69 d · percentile 44 / cohort 1533
Distance 439.52 pc · percentile 72 / cohort 1759
ESI 0.150 · percentile 36 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
9.691 days
Semi-major axis
AU
Eccentricity
0.040
Inclination
°

Year Length

A year here lasts approximately 9.69 Earth days (2.7% of a terrestrial year) on a nearly circular orbit.

Transit Fingerprint

Depth

0.051 %

Duration

15.796 h

Impact parameter b

0.200

Rp / R★

0.025600

Transit midpoint (BJD)

2,460,160.3930

Photometric dip

Transit produces a flux drop of 513 ppm lasting ≈ 15.80 h.

Extended Orbital Architecture

Planet / star radius ratio

0.025600

Semi-major axis / stellar radius

4.800

Impact parameter (b)

0.200

RV semi-amplitude (K)

36.200 m/s

Transit mid-time (BJD)

2,460,160.3930

Long. of periastron (ω)

131.00°

Eq. Temperature

882K

(609 °C)

Insolation (S⊕)

143.26

Earth = 1.00

Earth Similarity (ESI)

0.150

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

Saunders et al. 2025

Instrument

TESS CCD Array

Publication

2025-02

Observation locale

Space

Host System: TOI-7041

Spectral Class

K-type orange

Effective Temperature

4,700 K — cooler than the Sun (5,778 K)

Estimated Age

10.30 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

4.100 R☉

Stellar Mass

1.070 M☉

Metallicity [Fe/H]

0.25

Extended Stellar Properties

Surface gravity (log g)

3.244 dex

Rotational v·sin i

3.00 km/s

Metallicity ratio

[M/H]

Distance
439.52 parsec
Light-years 1,433.52 ly
V-band magnitude
11.25 mag
Voyager-speed travel 25,280,139 yr

Multi-band Host Photometry — 11 bands

8.612.612.63B11.25V10.91Gaia10.26TESS9.34J8.86H8.69K8.62W18.72W28.61W38.69W4

Astrometric Data

Parallax

2.247 mas

Total Proper Motion

2.710 mas/yr

PM Right Ascension

2.07 mas/yr

PM Declination

-1.75 mas/yr

Galactic Cartesian (pc)

x = 0.631 · y = -0.024 · z = -0.776

Equatorial (J2000)

RA 357.80217° · Dec -50.86986°

Galactic ℓ, b

324.607° · -63.648°

Ecliptic λ, β

332.319° · -44.594°

HTM-20 index

1159660369

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