Key parameters at a glance

A radius of 5.98 Earth radii
A mass of 29.90 Earth masses
Surface gravity around 0.84 g
An orbital period of 3.376 days
Equilibrium temperature 1,710 K (1437 °C)
Distance from Earth 1,919.00 light-years
Earth Similarity Index 0.093
Travel time at Voyager 1 speed 33,841,520 years

TOI-2719 b Planet Profile

Physical Specs

Radius

5.98 R⊕

Radius (Jupiter)

0.534 R♃

Mass

29.90 M⊕

Mass (Jupiter)

0.094 M♃

Density

0.77 g/cm³

Surface Gravity

0.84 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.093

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

#286of 574

top 49.7%

This planet

5.98R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

KMT-2019-BLG-1216L b 5.98 R⊕ MOA-2011-BLG-028L b 5.99 R⊕ Kepler-700 b 5.99 R⊕

Metric	Earth	TOI-2719 b	Jupiter
Radius (R⊕)	1.00	5.98	11.21
Mass (M⊕)	1.00	29.90	317.83
Density (g/cm³)	5.51	0.77	1.33
Surface Gravity (g)	1.00	0.84	2.53
Insolation (S⊕)	1.00	874.29	0.037

Star Catalogue Identifiers

TIC

TIC 176314383

Gaia DR2

Gaia DR2 3229669755661140224

Gaia DR3

Gaia DR3 3229669755661140224

System

TOI-2719

Percentile among Neptune-like cohort

Radius 5.980 R⊕ · percentile 50 / cohort 574

Mass 29.900 M⊕ · percentile 49 / cohort 574

Orbital period 3.38 d · percentile 6 / cohort 524

Distance 588.37 pc · percentile 60 / cohort 572

ESI 0.093 · percentile 2 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

3.376 days

Semi-major axis

— AU

Eccentricity

—

Inclination

83.07 °

Year Length

A year here lasts approximately 3.38 Earth days (0.9% of a terrestrial year).

Transit Fingerprint

Depth

0.127 %

Duration

3.538 h

Impact parameter b

0.685

Rp / R★

0.033200

Transit midpoint (BJD)

2,459,882.9550

Photometric dip

Transit produces a flux drop of 1,270 ppm lasting ≈ 3.54 h.

Extended Orbital Architecture

Planet / star radius ratio

0.033200

Semi-major axis / stellar radius

5.680

Impact parameter (b)

0.685

Transit mid-time (BJD)

2,459,882.9550

Eq. Temperature

1,710K

(1437 °C)

Insolation (S⊕)

874.29

Earth = 1.00

Earth Similarity (ESI)

0.093

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Gomez Barrientos et al. 2025

Instrument

TESS CCD Array

Publication

2025-08

Observation locale

Space

Discovery cohort

Planets confirmed in 2025 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-1266 d · Super-Earth TOI-2267 c · Rocky Terrestrial TOI-5799 c · Super-Earth TOI-5728 b · Super-Earth TOI-5716 b · Rocky Terrestrial TOI-7166 b · Sub-Neptune TOI-2267 b · Rocky Terrestrial TOI-2093 c · Sub-Neptune TOI-2267 d · Super-Earth TOI-5489 c · Super-Earth TOI-1743 b · Super-Earth TOI-4364 b · Sub-Neptune

Host System: TOI-2719

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,762 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

1.690 R☉

Stellar Mass

1.020 M☉

Metallicity [Fe/H]

0.27

Extended Stellar Properties

Surface gravity (log g)

4.220 dex

Stellar density

0.296 g/cm³

Metallicity ratio

[m/H]

Distance

588.37 parsec

Light-years 1,919.00 ly

V-band magnitude

12.68 mag

Voyager-speed travel 33,841,520 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.671 mas

Total Proper Motion

19.410 mas/yr

PM Right Ascension

15.34 mas/yr

PM Declination

-11.89 mas/yr

Galactic Cartesian (pc)

x = 0.316 · y = 0.949 · z = -0.014

Equatorial (J2000)

RA 71.55494° · Dec -0.80487°

Galactic ℓ, b

198.215° · -27.956°

Ecliptic λ, β

69.900° · -22.967°

HTM-20 index

-1779766590