Confirmed Exoplanet Discovered 2022

TOI-3714 b

A gas giant orbiting the m-type red dwarf TOI-3714, located approximately 367.6 light-years from Earth.

Key parameters at a glance

  • A radius of 11.32 Earth radii
  • A mass of 222.48 Earth masses
  • Surface gravity around 1.74 g
  • An orbital period of 2.155 days
  • Semi-major axis 0.0270 AU
  • Equilibrium temperature 750 K (477 °C)
  • Distance from Earth 367.61 light-years
  • Earth Similarity Index 0.200
  • Travel time at Voyager 1 speed 6,482,810 years
  • Almost certainly tidally locked to its host star given the close orbit

TOI-3714 b Planet Profile

Physical Specs

Radius
11.32 R⊕
Radius (Jupiter)
1.010 R♃
Mass
222.48 M⊕
Mass (Jupiter)
0.700 M♃
Density
0.85 g/cm³
Surface Gravity
1.74 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.200
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

#1611of 1771

top 90.9%

This planet

11.32R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth TOI-3714 b Jupiter
Radius (R⊕)1.0011.3211.21
Mass (M⊕)1.00222.48317.83
Density (g/cm³)5.510.851.33
Surface Gravity (g)1.001.742.53
Insolation (S⊕)1.0054.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 222.480 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 155867025

Gaia DR2

Gaia DR2 178924390478792320

Gaia DR3

Gaia DR3 178924390478792320

System

TOI-3714

Percentile among Gas Giant cohort

Radius 11.321 R⊕ · percentile 9 / cohort 1771
Mass 222.480 M⊕ · percentile 23 / cohort 1747
Orbital period 2.15 d · percentile 8 / cohort 1533
Distance 112.71 pc · percentile 37 / cohort 1759
ESI 0.200 · percentile 40 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
2.155 days
Semi-major axis
0.0270 AU
Eccentricity
0.030
Inclination
88.70 °

Year Length

A year here lasts approximately 2.15 Earth days (0.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0270 AU.

Transit Fingerprint

Depth

4.955 %

Duration

1.660 h

Impact parameter b

0.260

Rp / R★

0.204000

Transit midpoint (BJD)

2,458,840.5093

Photometric dip

Transit produces a flux drop of 49,552 ppm lasting ≈ 1.66 h.

Extended Orbital Architecture

Planet / star radius ratio

0.204000

Semi-major axis / stellar radius

11.500

Impact parameter (b)

0.260

RV semi-amplitude (K)

169.000 m/s

Transit mid-time (BJD)

2,458,840.5093

Long. of periastron (ω)

100.00°

Sky-projected obliquity (λ)

21.00°

True obliquity (ψ)

26.00°

Angular separation (arcsec)

0.24000

Eq. Temperature

750K

(477 °C)

Insolation (S⊕)

54.00

Earth = 1.00

Earth Similarity (ESI)

0.200

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

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

Ca Ntilde As et al. 2022

Instrument

TESS CCD Array

Publication

2022-01

Observation locale

Space

Host System: TOI-3714

Spectral Class

M-type red dwarf

Effective Temperature

3,660 K — cooler than the Sun (5,778 K)

Estimated Age

2.90 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.510 R☉

Stellar Mass

0.530 M☉

Metallicity [Fe/H]

0.10

Extended Stellar Properties

Surface gravity (log g)

4.750 dex

Stellar density

5.800 g/cm³

Systemic radial velocity

36.40 km/s

Rotational v·sin i

2.00 km/s

Rotation period

23.30 days

Metallicity ratio

[Fe/H]

Distance
112.71 parsec
Light-years 367.61 ly
V-band magnitude
15.70 mag
Voyager-speed travel 6,482,810 yr

Multi-band Host Photometry — 11 bands

9.016.916.86B15.70V14.31Gaia13.18TESS11.74J11.06H10.85K10.72W110.68W210.48W39.03W4

Astrometric Data

Parallax

8.844 mas

Total Proper Motion

73.455 mas/yr

PM Right Ascension

19.70 mas/yr

PM Declination

-70.76 mas/yr

Galactic Cartesian (pc)

x = 0.270 · y = 0.723 · z = 0.636

Equatorial (J2000)

RA 69.55234° · Dec 39.45800°

Galactic ℓ, b

163.304° · -5.023°

Ecliptic λ, β

73.597° · 17.176°

HTM-20 index

-1445400556

Similar Worlds

Explore Related Categories