Key parameters at a glance

A radius of 16.14 Earth radii
A mass of 731.01 Earth masses
Surface gravity around 2.81 g
An orbital period of 1.497 days
Equilibrium temperature 1,829 K (1556 °C)
Distance from Earth 944.77 light-years
Earth Similarity Index 0.068
Travel time at Voyager 1 speed 16,661,010 years

TOI-2046 b Planet Profile

Physical Specs

Radius

16.14 R⊕

Radius (Jupiter)

1.440 R♃

Mass

731.01 M⊕

Mass (Jupiter)

2.300 M♃

Density

0.96 g/cm³

Surface Gravity

2.81 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.068

HZ Position Inner

Controversial No

Discovery

Year 2022

Method Transit

Facility Transiting Exoplanet Survey Satellite (TESS)

Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#150of 1771

top 8.4%

This planet

16.14R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

TOI-1789 b 16.14 R⊕ WASP-118 b 16.14 R⊕ 2MASS J02192210-3925225 b 16.14 R⊕

Metric	Earth	TOI-2046 b	Jupiter
Radius (R⊕)	1.00	16.14	11.21
Mass (M⊕)	1.00	731.01	317.83
Density (g/cm³)	5.51	0.96	1.33
Surface Gravity (g)	1.00	2.81	2.53
Insolation (S⊕)	1.00	2,643.66	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	731.005 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 468574941

Gaia DR2

Gaia DR2 538759464958942208

Gaia DR3

Gaia DR3 538759464958942208

System

TOI-2046

Percentile among Gas Giant cohort

Radius 16.141 R⊕ · percentile 91 / cohort 1771

Mass 731.005 M⊕ · percentile 58 / cohort 1747

Orbital period 1.50 d · percentile 3 / cohort 1533

Distance 289.67 pc · percentile 59 / cohort 1759

ESI 0.068 · percentile 12 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

1.497 days

Semi-major axis

— AU

Eccentricity

—

Inclination

83.60 °

Year Length

A year here lasts approximately 1.50 Earth days (0.4% of a terrestrial year).

Transit Fingerprint

Depth

1.627 %

Duration

2.410 h

Impact parameter b

0.510

Rp / R★

0.121300

Transit midpoint (BJD)

2,457,792.2767

Photometric dip

Transit produces a flux drop of 16,266 ppm lasting ≈ 2.41 h.

Extended Orbital Architecture

Planet / star radius ratio

0.121300

Semi-major axis / stellar radius

4.750

Impact parameter (b)

0.510

RV semi-amplitude (K)

374.700 m/s

Transit mid-time (BJD)

2,457,792.2767

Eq. Temperature

1,829K

(1556 °C)

Insolation (S⊕)

2,643.66

Earth = 1.00

Earth Similarity (ESI)

0.068

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

Kab Aacute Th et al. 2022

Instrument

TESS CCD Array

Publication

2022-05

Observation locale

Space

Discovery cohort

Planets confirmed in 2022 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-1452 b · Super-Earth TOI-712 d · Sub-Neptune TOI-1468 c · Sub-Neptune TOI-2136 b · Sub-Neptune LTT 1445 A c · Rocky Terrestrial TOI-712 c · Sub-Neptune LP 890-9 b · Super-Earth TOI-2081 b · Sub-Neptune GJ 3929 b · Rocky Terrestrial HD 260655 c · Super-Earth HD 73583 c · Sub-Neptune TOI-1759 b · Sub-Neptune

Host System: TOI-2046

Spectral Class

F-type yellow-white

Effective Temperature

6,250 K — hotter than the Sun (5,778 K)

Estimated Age

0.45 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.210 R☉

Stellar Mass

1.130 M☉

Metallicity [Fe/H]

-0.06

Extended Stellar Properties

Surface gravity (log g)

4.300 dex

Stellar density

0.890 g/cm³

Rotational v·sin i

9.80 km/s

Rotation period

3.97 days

Metallicity ratio

[Fe/H]

Distance

289.67 parsec

Light-years 944.77 ly

V-band magnitude

11.55 mag

Voyager-speed travel 16,661,010 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

3.424 mas

Total Proper Motion

11.780 mas/yr

PM Right Ascension

6.29 mas/yr

PM Declination

-9.96 mas/yr

Galactic Cartesian (pc)

x = 0.259 · y = 0.075 · z = 0.963

Equatorial (J2000)

RA 16.18494° · Dec 74.33131°

Galactic ℓ, b

123.848° · 11.483°

Ecliptic λ, β

60.151° · 58.588°

HTM-20 index

-635839230