Confirmed Exoplanet Discovered 2026

TOI-6692 b

A gas giant orbiting the g-type yellow (sun-like) TOI-6692, located approximately 1,020.6 light-years from Earth.

Key parameters at a glance

  • A radius of 11.68 Earth radii
  • A mass of 197.05 Earth masses
  • Surface gravity around 1.44 g
  • An orbital period of 131.125 days
  • Semi-major axis 0.5120 AU
  • Equilibrium temperature 467 K (194 °C)
  • Distance from Earth 1,020.55 light-years
  • Earth Similarity Index 0.298
  • Travel time at Voyager 1 speed 17,997,432 years

TOI-6692 b Planet Profile

Physical Specs

Radius
11.68 R⊕
Radius (Jupiter)
1.042 R♃
Mass
197.05 M⊕
Mass (Jupiter)
0.620 M♃
Density
0.68 g/cm³
Surface Gravity
1.44 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.298
HZ Position Inner
Controversial No

Discovery

Year 2026
Method Transit
Facility Transiting Exoplanet Survey Satellite (TESS)
Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#1568of 1771

top 88.5%

This planet

11.68R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth TOI-6692 b Jupiter
Radius (R⊕)1.0011.6811.21
Mass (M⊕)1.00197.05317.83
Density (g/cm³)5.510.681.33
Surface Gravity (g)1.001.442.53
Insolation (S⊕)1.00182.350.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 197.054 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 324609409

Gaia DR2

Gaia DR2 6349145498210403840

Gaia DR3

Gaia DR3 6349145498210403840

System

TOI-6692

Percentile among Gas Giant cohort

Radius 11.680 R⊕ · percentile 11 / cohort 1771
Mass 197.054 M⊕ · percentile 19 / cohort 1747
Orbital period 131.13 d · percentile 55 / cohort 1533
Distance 312.90 pc · percentile 62 / cohort 1759
ESI 0.298 · percentile 58 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
131.125 days
Semi-major axis
0.5120 AU
Eccentricity
0.537
Inclination
89.48 °

Year Length

A year here lasts approximately 131.13 Earth days (35.9% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.5120 AU.

Transit Fingerprint

Depth

0.328 %

Duration

11.060 h

Impact parameter b

0.618

Transit midpoint (BJD)

2,459,378.4174

Photometric dip

Transit produces a flux drop of 3,281 ppm lasting ≈ 11.06 h.

Extended Orbital Architecture

Semi-major axis / stellar radius

79.500

Impact parameter (b)

0.618

RV semi-amplitude (K)

28.500 m/s

Transit mid-time (BJD)

2,459,378.4174

Long. of periastron (ω)

-16.60°

Angular separation (arcsec)

1.64000

Eq. Temperature

467K

(194 °C)

Insolation (S⊕)

182.35

Earth = 1.00

Earth Similarity (ESI)

0.298

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

Bieryla et al. 2026

Instrument

TESS CCD Array

Publication

2026-01

Observation locale

Space

Host System: TOI-6692

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,890 K — hotter than the Sun (5,778 K)

Estimated Age

7.80 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.385 R☉

Stellar Mass

1.047 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

4.176 dex

Stellar density

0.618 g/cm³

Metallicity ratio

[m/H]

Distance
312.90 parsec
Light-years 1,020.55 ly
V-band magnitude
11.43 mag
Voyager-speed travel 17,997,432 yr

Multi-band Host Photometry — 11 bands

8.712.312.31B11.43V11.58Gaia11.12TESS10.43J10.14H10.03K10.03W110.05W210.01W38.72W4

Astrometric Data

Parallax

3.167 mas

Total Proper Motion

44.946 mas/yr

PM Right Ascension

38.86 mas/yr

PM Declination

-22.58 mas/yr

Galactic Cartesian (pc)

x = 0.103 · y = -0.112 · z = -0.988

Equatorial (J2000)

RA 312.69404° · Dec -81.27240°

Galactic ℓ, b

311.783° · -31.191°

Ecliptic λ, β

281.727° · -59.598°

HTM-20 index

157663211

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