Key parameters at a glance

A radius of 12.53 Earth radii
A mass of 732.00 Earth masses
Surface gravity around 4.66 g
An orbital period of 225.106 days
Semi-major axis 0.7680 AU
Equilibrium temperature 318 K (45 °C)
Distance from Earth 1,107.64 light-years
Earth Similarity Index 0.467
Travel time at Voyager 1 speed 19,533,267 years

1 sibling around TOI-4562

TOI-4562 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-4562 b this	Gas Giant	12.53	732.00	225.106	318	2023
TOI-4562 c	Gas Giant	12.80	1,833.87	3,990.000	—	2024

TOI-4562 b Planet Profile

Physical Specs

Radius

12.53 R⊕

Radius (Jupiter)

1.118 R♃

Mass

732.00 M⊕

Mass (Jupiter)

2.300 M♃

Density

2.06 g/cm³

Surface Gravity

4.66 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.467

HZ Position Inner

Controversial No

Discovery

Year 2023

Method Transit

Facility Transiting Exoplanet Survey Satellite (TESS)

Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#1231of 1771

top 69.5%

This planet

12.53R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

TOI-4666 b 12.53 R⊕ TIC 237913194 b 12.52 R⊕ HATS-47 b 12.52 R⊕

Metric	Earth	TOI-4562 b	Jupiter
Radius (R⊕)	1.00	12.53	11.21
Mass (M⊕)	1.00	732.00	317.83
Density (g/cm³)	5.51	2.06	1.33
Surface Gravity (g)	1.00	4.66	2.53
Insolation (S⊕)	1.00	3.20	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	732.000 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 349576261

Gaia DR2

Gaia DR2 5288681857665822080

Gaia DR3

Gaia DR3 5288681857665822080

System

TOI-4562

Percentile among Gas Giant cohort

Radius 12.530 R⊕ · percentile 30 / cohort 1771

Mass 732.000 M⊕ · percentile 59 / cohort 1747

Orbital period 225.11 d · percentile 58 / cohort 1533

Distance 339.61 pc · percentile 64 / cohort 1759

ESI 0.467 · percentile 100 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

225.106 days

Semi-major axis

0.7680 AU

Eccentricity

0.760

Inclination

89.15 °

Year Length

A year here lasts approximately 225.11 Earth days (61.6% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.7680 AU.

Transit Fingerprint

Depth

0.996 %

Duration

4.320 h

Impact parameter b

0.600

Rp / R★

0.094850

Transit midpoint (BJD)

2,459,476.9004

Photometric dip

Transit produces a flux drop of 9,961 ppm lasting ≈ 4.32 h.

Extended Orbital Architecture

Planet / star radius ratio

0.094850

Semi-major axis / stellar radius

150.300

Impact parameter (b)

0.600

RV semi-amplitude (K)

106.000 m/s

Transit mid-time (BJD)

2,459,476.9004

Long. of periastron (ω)

60.00°

Angular separation (arcsec)

2.26000

Eq. Temperature

318K

(45 °C)

Insolation (S⊕)

3.20

Earth = 1.00

Earth Similarity (ESI)

0.467

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — liquid water is physically possible with adequate atmospheric pressure.

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

Heitzmann et al. 2022

Instrument

TESS CCD Array

Publication

2022-08

Observation locale

Space

Discovery cohort

Planets confirmed in 2023 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-700 e · Rocky Terrestrial TOI-2095 c · Super-Earth TOI-715 b · Super-Earth TOI-2095 b · Super-Earth TOI-2096 c · Super-Earth TOI-1680 b · Super-Earth TOI-2096 b · Rocky Terrestrial TOI-904 c · Sub-Neptune TOI-1470 c · Sub-Neptune TOI-198 b · Super-Earth TOI-244 b · Super-Earth TOI-4184 b · Sub-Neptune

Host System: TOI-4562

Spectral Class

F-type yellow-white

Effective Temperature

6,096 K — hotter than the Sun (5,778 K)

Estimated Age

0.70 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.152 R☉

Stellar Mass

1.192 M☉

Metallicity [Fe/H]

0.08

Extended Stellar Properties

Surface gravity (log g)

4.390 dex

Stellar density

0.782 g/cm³

Rotational v·sin i

17.00 km/s

Rotation period

3.86 days

Activity index (log R'HK)

-4.503

Metallicity ratio

[M/H]

Distance

339.61 parsec

Light-years 1,107.64 ly

V-band magnitude

12.14 mag

Voyager-speed travel 19,533,267 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

2.916 mas

Total Proper Motion

12.024 mas/yr

PM Right Ascension

-5.98 mas/yr

PM Declination

10.43 mas/yr

Galactic Cartesian (pc)

x = -0.167 · y = 0.413 · z = -0.895

Equatorial (J2000)

RA 112.01006° · Dec -63.51778°

Galactic ℓ, b

274.959° · -20.183°

Ecliptic λ, β

172.070° · -80.286°

HTM-20 index

706882355