Key parameters at a glance

A radius of 11.88 Earth radii
A mass of 1,036.12 Earth masses
Surface gravity around 7.34 g
An orbital period of 20.330 days
Semi-major axis 0.1580 AU
Equilibrium temperature 906 K (633 °C)
Distance from Earth 1,273.59 light-years
Earth Similarity Index 0.193
Travel time at Voyager 1 speed 22,459,705 years

TOI-5153 b Planet Profile

Physical Specs

Radius

11.88 R⊕

Radius (Jupiter)

1.060 R♃

Mass

1,036.12 M⊕

Mass (Jupiter)

3.260 M♃

Density

3.39 g/cm³

Surface Gravity

7.34 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.193

HZ Position Inner

Controversial No

Discovery

Year 2022

Method Transit

Facility Transiting Exoplanet Survey Satellite (TESS)

Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#1551of 1771

top 87.5%

This planet

11.88R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

K2-99 b 11.88 R⊕ WASP-117 b 11.88 R⊕ K2-31 b 11.88 R⊕

Metric	Earth	TOI-5153 b	Jupiter
Radius (R⊕)	1.00	11.88	11.21
Mass (M⊕)	1.00	1,036.12	317.83
Density (g/cm³)	5.51	3.39	1.33
Surface Gravity (g)	1.00	7.34	2.53
Insolation (S⊕)	1.00	49.56	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	1,036.121 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 124029677

Gaia DR2

Gaia DR2 2942084865853011712

Gaia DR3

Gaia DR3 2942084865853011712

System

TOI-5153

Percentile among Gas Giant cohort

Radius 11.882 R⊕ · percentile 12 / cohort 1771

Mass 1,036.121 M⊕ · percentile 67 / cohort 1747

Orbital period 20.33 d · percentile 48 / cohort 1533

Distance 390.48 pc · percentile 68 / cohort 1759

ESI 0.193 · percentile 39 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

20.330 days

Semi-major axis

0.1580 AU

Eccentricity

0.091

Inclination

88.27 °

Year Length

A year here lasts approximately 20.33 Earth days (5.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1580 AU.

Transit Fingerprint

Depth

0.594 %

Duration

4.870 h

Impact parameter b

0.725

Rp / R★

0.077700

Transit midpoint (BJD)

2,458,486.1239

Photometric dip

Transit produces a flux drop of 5,936 ppm lasting ≈ 4.87 h.

Extended Orbital Architecture

Planet / star radius ratio

0.077700

Impact parameter (b)

0.725

RV semi-amplitude (K)

212.000 m/s

Transit mid-time (BJD)

2,458,486.1239

Long. of periastron (ω)

144.00°

Angular separation (arcsec)

0.40500

Eq. Temperature

906K

(633 °C)

Insolation (S⊕)

49.56

Earth = 1.00

Earth Similarity (ESI)

0.193

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.

Radial velocity

Stellar wobble has been measured spectroscopically.

Discovery Paper

Primary reference

Ulmer Moll et al. 2022

Instrument

TESS CCD Array

Publication

2022-07

Observation locale

Space

Discovery cohort

Planets confirmed in 2022 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-1452 b · Super-Earth TOI-712 d · Sub-Neptune TOI-1468 c · Sub-Neptune TOI-2136 b · Sub-Neptune LTT 1445 A c · Rocky Terrestrial TOI-712 c · Sub-Neptune LP 890-9 b · Super-Earth TOI-2081 b · Sub-Neptune GJ 3929 b · Rocky Terrestrial HD 260655 c · Super-Earth HD 73583 c · Sub-Neptune TOI-1759 b · Sub-Neptune

Host System: TOI-5153

Spectral Class

F-type yellow-white

Effective Temperature

6,300 K — hotter than the Sun (5,778 K)

Estimated Age

5.40 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.400 R☉

Stellar Mass

1.240 M☉

Metallicity [Fe/H]

0.12

Extended Stellar Properties

Surface gravity (log g)

4.300 dex

Stellar density

0.649 g/cm³

Rotational v·sin i

10.10 km/s

Activity index (log R'HK)

-4.950

Metallicity ratio

[Fe/H]

Distance

390.48 parsec

Light-years 1,273.59 ly

V-band magnitude

11.93 mag

Voyager-speed travel 22,459,705 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

2.532 mas

Total Proper Motion

35.639 mas/yr

PM Right Ascension

8.69 mas/yr

PM Declination

-34.56 mas/yr

Galactic Cartesian (pc)

x = -0.025 · y = 0.940 · z = -0.341

Equatorial (J2000)

RA 91.54032° · Dec -19.95344°

Galactic ℓ, b

226.333° · -18.651°

Ecliptic λ, β

91.988° · -43.382°

HTM-20 index

341944085