Key parameters at a glance

A radius of 11.10 Earth radii
A mass of 1,197.32 Earth masses
Surface gravity around 9.72 g
An orbital period of 82.972 days
Semi-major axis 0.3569 AU
Equilibrium temperature 183 K (-90 °C)
Distance from Earth 1,117.43 light-years
Earth Similarity Index 0.394
Travel time at Voyager 1 speed 19,705,820 years

2 siblings around TOI-4504

TOI-4504 c shares its host star with 2 other confirmed planets. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
TOI-4504 b	Sub-Neptune	2.69	7.71	2.426	1,234	2024
TOI-4504 d	Gas Giant	13.60	450.24	40.563	—	2024
TOI-4504 c this	Gas Giant	11.10	1,197.32	82.972	183	2024

TOI-4504 c Planet Profile

Physical Specs

Radius

11.10 R⊕

Radius (Jupiter)

0.990 R♃

Mass

1,197.32 M⊕

Mass (Jupiter)

3.767 M♃

Density

4.81 g/cm³

Surface Gravity

9.72 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.394

HZ Position Outer

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

#1656of 1771

top 93.5%

This planet

11.10R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

TOI-1899 b 11.10 R⊕ TOI-1273 b 11.10 R⊕ TOI-481 b 11.10 R⊕

Metric	Earth	TOI-4504 c	Jupiter
Radius (R⊕)	1.00	11.10	11.21
Mass (M⊕)	1.00	1,197.32	317.83
Density (g/cm³)	5.51	4.81	1.33
Surface Gravity (g)	1.00	9.72	2.53
Insolation (S⊕)	1.00	0.26	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	1,197.323 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 349972412

Gaia DR2

Gaia DR2 5289275864525400704

Gaia DR3

Gaia DR3 5289275864525400704

System

TOI-4504

Percentile among Gas Giant cohort

Radius 11.097 R⊕ · percentile 6 / cohort 1771

Mass 1,197.323 M⊕ · percentile 71 / cohort 1747

Orbital period 82.97 d · percentile 53 / cohort 1533

Distance 342.61 pc · percentile 64 / cohort 1759

ESI 0.394 · percentile 84 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

82.972 days

Semi-major axis

0.3569 AU

Eccentricity

0.032

Inclination

89.69 °

Year Length

A year here lasts approximately 82.97 Earth days (22.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3569 AU.

Transit Fingerprint

Depth

1.307 %

Duration

7.497 h

Impact parameter b

0.492

Rp / R★

0.108000

Transit midpoint (BJD)

2,458,400.3906

Photometric dip

Transit produces a flux drop of 13,068 ppm lasting ≈ 7.50 h.

Extended Orbital Architecture

Planet / star radius ratio

0.108000

Impact parameter (b)

0.492

RV semi-amplitude (K)

190.892 m/s

Transit mid-time (BJD)

2,458,400.3906

Long. of periastron (ω)

270.90°

Sky-projected obliquity (λ)

83.97°

Angular separation (arcsec)

1.04000

Eq. Temperature

183K

(-90 °C)

Insolation (S⊕)

0.26

Earth = 1.00

Earth Similarity (ESI)

0.394

0 = alien, 1 = Earth-identical

Beyond the outer HZ boundary (too cold) — surface water would be frozen.

Detection Signatures

Transit photometry

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

Radial velocity

Stellar wobble has been measured spectroscopically.

Transit timing variations

Gravitational interactions from neighbours have been detected.

Discovery Paper

Primary reference

V & Iacute Tkov & Aacute et al. 2024

Instrument

TESS CCD Array

Publication

2024-12

Observation locale

Space

Discovery cohort

Planets confirmed in 2024 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

Gliese 12 b · Rocky Terrestrial TOI-6002 b · Super-Earth TOI-5713 b · Super-Earth TOI-4336 A b · Sub-Neptune TOI-406.01 · Sub-Neptune TOI-1224 c · Sub-Neptune LHS 1678 d · Rocky Terrestrial TOI-2088 b · Sub-Neptune TOI-2120 b · Sub-Neptune TOI-1806.01 · Sub-Neptune TOI-4633 c · Sub-Neptune TOI-260 b · Super-Earth

Host System: TOI-4504

Spectral Class

K-type orange

Effective Temperature

5,315 K — cooler than the Sun (5,778 K)

Estimated Age

10.00 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.920 R☉

Stellar Mass

0.890 M☉

Metallicity [Fe/H]

0.16

Extended Stellar Properties

Surface gravity (log g)

4.458 dex

Stellar density

1.607 g/cm³

Rotational v·sin i

1.90 km/s

Metallicity ratio

[Fe/H]

Distance

342.61 parsec

Light-years 1,117.43 ly

V-band magnitude

13.36 mag

Voyager-speed travel 19,705,820 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

2.890 mas

Total Proper Motion

12.007 mas/yr

PM Right Ascension

-8.66 mas/yr

PM Declination

-8.32 mas/yr

Galactic Cartesian (pc)

x = -0.194 · y = 0.426 · z = -0.884

Equatorial (J2000)

RA 114.46731° · Dec -62.07828°

Galactic ℓ, b

273.986° · -18.605°

Ecliptic λ, β

168.464° · -78.584°

HTM-20 index

892222422

Similar Worlds

XO-2 N b

Gas Giant · K-type orange

Radius 11.13 R⊕ · 503.2 ly

TOI-1811 b

Gas Giant · K-type orange

Radius 11.14 R⊕ · 418.2 ly

HAT-P-18 b

Gas Giant · K-type orange

Radius 11.15 R⊕ · 526.4 ly

KMT-2023-BLG-0119L b

Gas Giant · K-type orange

Radius 11.00 R⊕ · 17,645.0 ly

WASP-80 b

Gas Giant · K-type orange

Radius 11.20 R⊕ · 162.4 ly

WASP-162 b

Gas Giant · K-type orange

Radius 11.21 R⊕ · 1,013.8 ly

Explore Related Categories

Gas Giant Planets Transit Discoveries Transiting Exoplanet Survey Satellite (TESS) Mission K-type orange Hosts