Confirmed Exoplanet Discovered 2024

TOI-6016 b

A gas giant orbiting the f-type yellow-white TOI-6016, located approximately 1,189.5 light-years from Earth.

Key parameters at a glance

  • A radius of 13.67 Earth radii
  • A mass of 371.86 Earth masses
  • Surface gravity around 1.99 g
  • An orbital period of 4.024 days
  • Semi-major axis 0.0550 AU
  • Equilibrium temperature 1,890 K (1617 °C)
  • Distance from Earth 1,189.54 light-years
  • Earth Similarity Index 0.067
  • Travel time at Voyager 1 speed 20,977,534 years

TOI-6016 b Planet Profile

Physical Specs

Radius
13.67 R⊕
Radius (Jupiter)
1.220 R♃
Mass
371.86 M⊕
Mass (Jupiter)
1.170 M♃
Density
0.81 g/cm³
Surface Gravity
1.99 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.067
HZ Position Inner
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

#598of 1771

top 33.7%

This planet

13.67R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth TOI-6016 b Jupiter
Radius (R⊕)1.0013.6711.21
Mass (M⊕)1.00371.86317.83
Density (g/cm³)5.510.811.33
Surface Gravity (g)1.001.992.53
Insolation (S⊕)1.00940.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 371.859 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 327369524

Gaia DR2

Gaia DR2 428360006379022592

Gaia DR3

Gaia DR3 428360006379022592

System

TOI-6016

Percentile among Gas Giant cohort

Radius 13.675 R⊕ · percentile 66 / cohort 1771
Mass 371.859 M⊕ · percentile 39 / cohort 1747
Orbital period 4.02 d · percentile 29 / cohort 1533
Distance 364.72 pc · percentile 66 / cohort 1759
ESI 0.067 · percentile 12 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
4.024 days
Semi-major axis
0.0550 AU
Eccentricity
0.000
Inclination
°

Year Length

A year here lasts approximately 4.02 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0550 AU.

Transit Fingerprint

Depth

0.893 %

Duration

5.700 h

Transit midpoint (BJD)

2,459,877.7930

Photometric dip

Transit produces a flux drop of 8,925 ppm lasting ≈ 5.70 h.

Extended Orbital Architecture

RV semi-amplitude (K)

125.000 m/s

Transit mid-time (BJD)

2,459,877.7930

Long. of periastron (ω)

90.00°

Angular separation (arcsec)

0.15100

Eq. Temperature

1,890K

(1617 °C)

Insolation (S⊕)

940.00

Earth = 1.00

Earth Similarity (ESI)

0.067

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

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

Ehrhardt et al. 2024

Instrument

TESS CCD Array

Publication

2024-12

Observation locale

Space

Host System: TOI-6016

Spectral Class

F-type yellow-white

Effective Temperature

6,110 K — hotter than the Sun (5,778 K)

Estimated Age

0.30 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.510 R☉

Stellar Mass

1.310 M☉

Metallicity [Fe/H]

0.28

Extended Stellar Properties

Surface gravity (log g)

4.190 dex

Stellar density

0.379 g/cm³

Rotational v·sin i

8.40 km/s

Rotation period

9.10 days

Metallicity ratio

[Fe/H]

Distance
364.72 parsec
Light-years 1,189.54 ly
V-band magnitude
11.89 mag
Voyager-speed travel 20,977,534 yr

Multi-band Host Photometry — 11 bands

9.012.912.94B11.89V11.92Gaia11.39TESS10.63J10.31H10.22K10.15W110.19W210.12W39.04W4

Astrometric Data

Parallax

2.713 mas

Total Proper Motion

7.920 mas/yr

PM Right Ascension

-7.74 mas/yr

PM Declination

-1.66 mas/yr

Galactic Cartesian (pc)

x = 0.502 · y = 0.040 · z = 0.864

Equatorial (J2000)

RA 4.52396° · Dec 59.76620°

Galactic ℓ, b

118.741° · -2.834°

Ecliptic λ, β

37.131° · 50.976°

HTM-20 index

-177767177

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