Key parameters at a glance

A radius of 4.55 Earth radii
A mass of 28.90 Earth masses
Surface gravity around 1.40 g
An orbital period of 26.049 days
Semi-major axis 0.1651 AU
Equilibrium temperature 606 K (332 °C)
Distance from Earth 236.38 light-years
Earth Similarity Index 0.351
Travel time at Voyager 1 speed 4,168,479 years

1 sibling around TOI-6041

TOI-6041 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
TOI-6041 b this	Neptune-like	4.55	28.90	26.049	606	2025
TOI-6041 c	Gas Giant	10.50	77.90	88.000	404	2025

TOI-6041 b Planet Profile

Physical Specs

Radius

4.55 R⊕

Radius (Jupiter)

0.406 R♃

Mass

28.90 M⊕

Mass (Jupiter)

0.091 M♃

Density

1.79 g/cm³

Surface Gravity

1.40 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.351

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

#457of 574

top 79.4%

This planet

4.55R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

HIP 71135 b 4.55 R⊕ Kepler-1764 b 4.56 R⊕ Kepler-1752 b 4.54 R⊕

Metric	Earth	TOI-6041 b	Jupiter
Radius (R⊕)	1.00	4.55	11.21
Mass (M⊕)	1.00	28.90	317.83
Density (g/cm³)	5.51	1.79	1.33
Surface Gravity (g)	1.00	1.40	2.53
Insolation (S⊕)	1.00	22.40	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	28.900 M⊕	Direct mass measurement (not derived).
Minimum mass (M sin i)	28.900 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 192415680

Gaia DR2

Gaia DR2 432549871529588608

Gaia DR3

Gaia DR3 432549871529588608

System

TOI-6041

Percentile among Neptune-like cohort

Radius 4.550 R⊕ · percentile 20 / cohort 574

Mass 28.900 M⊕ · percentile 47 / cohort 574

Orbital period 26.05 d · percentile 57 / cohort 524

Distance 72.47 pc · percentile 20 / cohort 572

ESI 0.351 · percentile 64 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

26.049 days

Semi-major axis

0.1651 AU

Eccentricity

—

Inclination

88.96 °

Year Length

A year here lasts approximately 26.05 Earth days (7.1% of a terrestrial year) at a mean orbital distance of 0.1651 AU.

Transit Fingerprint

Depth

0.226 %

Duration

3.662 h

Impact parameter b

0.738

Rp / R★

0.047530

Transit midpoint (BJD)

2,459,890.1062

Photometric dip

Transit produces a flux drop of 2,259 ppm lasting ≈ 3.66 h.

Extended Orbital Architecture

Planet / star radius ratio

0.047530

Semi-major axis / stellar radius

40.400

Impact parameter (b)

0.738

RV semi-amplitude (K)

6.700 m/s

Transit mid-time (BJD)

2,459,890.1062

Angular separation (arcsec)

2.28000

Eq. Temperature

606K

(332 °C)

Insolation (S⊕)

22.40

Earth = 1.00

Earth Similarity (ESI)

0.351

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Detection Signatures

Transit photometry

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

Transit timing variations

Gravitational interactions from neighbours have been detected.

Discovery Paper

Primary reference

Heidari et al. 2025

Instrument

TESS CCD Array

Publication

2025-12

Observation locale

Space

Discovery cohort

Planets confirmed in 2025 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-1266 d · Super-Earth TOI-2267 c · Rocky Terrestrial TOI-5799 c · Super-Earth TOI-5728 b · Super-Earth TOI-5716 b · Rocky Terrestrial TOI-7166 b · Sub-Neptune TOI-2267 b · Rocky Terrestrial TOI-2093 c · Sub-Neptune TOI-2267 d · Super-Earth TOI-5489 c · Super-Earth TOI-1743 b · Super-Earth TOI-4364 b · Sub-Neptune

Host System: TOI-6041

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,445 K — cooler than the Sun (5,778 K)

Estimated Age

7.90 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.879 R☉

Stellar Mass

0.885 M☉

Metallicity [Fe/H]

0.10

Extended Stellar Properties

Surface gravity (log g)

4.498 dex

Stellar density

1.840 g/cm³

Rotational v·sin i

3.40 km/s

Rotation period

23.00 days

Activity index (log R'HK)

-4.700

Metallicity ratio

[Fe/H]

Distance

72.47 parsec

Light-years 236.38 ly

V-band magnitude

9.84 mag

Voyager-speed travel 4,168,479 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

13.769 mas

Total Proper Motion

97.559 mas/yr

PM Right Ascension

71.77 mas/yr

PM Declination

-66.08 mas/yr

Galactic Cartesian (pc)

x = 0.503 · y = 0.522 · z = 0.689

Equatorial (J2000)

RA 46.06103° · Dec 43.55767°

Galactic ℓ, b

146.968° · -13.030°

Ecliptic λ, β

56.257° · 25.129°

HTM-20 index

386286923