Confirmed Exoplanet Discovered 2025

TOI-3160 A b

A gas giant orbiting the f-type yellow-white TOI-3160 A, located approximately 1,851.5 light-years from Earth.

Key parameters at a glance

  • A radius of 13.76 Earth radii
  • A mass of 378.22 Earth masses
  • Surface gravity around 2.00 g
  • An orbital period of 3.971 days
  • Semi-major axis 0.0505 AU
  • Equilibrium temperature 1,539 K (1266 °C)
  • Distance from Earth 1,851.52 light-years
  • Earth Similarity Index 0.085
  • Travel time at Voyager 1 speed 32,651,480 years

TOI-3160 A b Planet Profile

Physical Specs

Radius
13.76 R⊕
Radius (Jupiter)
1.228 R♃
Mass
378.22 M⊕
Mass (Jupiter)
1.190 M♃
Density
0.79 g/cm³
Surface Gravity
2.00 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.085
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

#548of 1771

top 30.9%

This planet

13.76R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth TOI-3160 A b Jupiter
Radius (R⊕)1.0013.7611.21
Mass (M⊕)1.00378.22317.83
Density (g/cm³)5.510.791.33
Surface Gravity (g)1.002.002.53
Insolation (S⊕)1.00933.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 378.216 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 440872576

Gaia DR2

Gaia DR2 6225252356194921728

Gaia DR3

Gaia DR3 6225252356194921728

System

TOI-3160

Percentile among Gas Giant cohort

Radius 13.765 R⊕ · percentile 69 / cohort 1771
Mass 378.216 M⊕ · percentile 40 / cohort 1747
Orbital period 3.97 d · percentile 28 / cohort 1533
Distance 567.68 pc · percentile 78 / cohort 1759
ESI 0.085 · percentile 20 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
3.971 days
Semi-major axis
0.0505 AU
Eccentricity
0.180
Inclination
84.63 °

Year Length

A year here lasts approximately 3.97 Earth days (1.1% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0505 AU.

Transit Fingerprint

Depth

0.878 %

Duration

2.995 h

Impact parameter b

0.755

Transit midpoint (BJD)

2,459,609.9851

Photometric dip

Transit produces a flux drop of 8,780 ppm lasting ≈ 3.00 h.

Extended Orbital Architecture

Semi-major axis / stellar radius

8.070

Impact parameter (b)

0.755

RV semi-amplitude (K)

144.000 m/s

Transit mid-time (BJD)

2,459,609.9851

Angular separation (arcsec)

0.08900

Eq. Temperature

1,539K

(1266 °C)

Insolation (S⊕)

933.00

Earth = 1.00

Earth Similarity (ESI)

0.085

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

Yee et al. 2025

Instrument

TESS CCD Array

Publication

2025-07

Observation locale

Space

Host System: TOI-3160 A

Spectral Class

F-type yellow-white

Effective Temperature

6,190 K — hotter than the Sun (5,778 K)

Estimated Age

5.50 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.346 R☉

Stellar Mass

1.088 M☉

Metallicity [Fe/H]

-0.11

Extended Stellar Properties

Surface gravity (log g)

4.217 dex

Stellar density

0.629 g/cm³

Metallicity ratio

[Fe/H]

Distance
567.68 parsec
Light-years 1,851.52 ly
V-band magnitude
12.65 mag
Voyager-speed travel 32,651,480 yr

Multi-band Host Photometry — 11 bands

8.113.113.10B12.65V12.37Gaia11.93TESS11.29J11.00H10.89K10.82W110.86W210.81W38.15W4

Astrometric Data

Parallax

1.742 mas

Total Proper Motion

13.925 mas/yr

PM Right Ascension

-13.71 mas/yr

PM Declination

2.43 mas/yr

Galactic Cartesian (pc)

x = -0.631 · y = -0.621 · z = -0.465

Equatorial (J2000)

RA 224.56586° · Dec -27.68255°

Galactic ℓ, b

334.516° · 27.300°

Ecliptic λ, β

230.110° · -10.315°

HTM-20 index

964055769

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