Key parameters at a glance
- A radius of 16.69 Earth radii
- A mass of 353.74 Earth masses
- Surface gravity around 1.27 g
- An orbital period of 3.254 days
- Equilibrium temperature 1,869 K (1596 °C)
- Distance from Earth 2,104.22 light-years
- Earth Similarity Index 0.057
- Travel time at Voyager 1 speed 37,107,945 years
TOI-4379 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#126of 1771
top 7.1%
This planet
16.69R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-4379 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 16.69 | 11.21 |
| Mass (M⊕) | 1.00 | 353.74 | 317.83 |
| Density (g/cm³) | 5.51 | 0.42 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.27 | 2.53 |
| Insolation (S⊕) | 1.00 | 2,886.09 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 353.743 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 97766057
Gaia DR2
Gaia DR2 6027376203516634112
Gaia DR3
Gaia DR3 6027376203516634112
System
TOI-4379
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 3.25 Earth days (0.9% of a terrestrial year) on a nearly circular orbit.
Transit Fingerprint
Depth
0.612 %
Duration
5.192 h
Rp / R★
0.077000
Transit midpoint (BJD)
2,459,734.2690
Photometric dip
Transit produces a flux drop of 6,115 ppm lasting ≈ 5.19 h.
Extended Orbital Architecture
Planet / star radius ratio
0.077000
Semi-major axis / stellar radius
4.630
RV semi-amplitude (K)
119.000 m/s
Transit mid-time (BJD)
2,459,734.2690
Sky-projected obliquity (λ)
-1.00°
Eq. Temperature
1,869K
(1596 °C)
Insolation (S⊕)
2,886.09
Earth = 1.00
Earth Similarity (ESI)
0.057
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
Saunders et al. 2024Instrument
TESS CCD Array
Publication
2024-08
Observation locale
Space
Discovery cohort
Planets confirmed in 2024 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-4379
Spectral Class
F-type yellow-white
Effective Temperature
6,020 K — hotter than the Sun (5,778 K)
Estimated Age
4.51 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.976 R☉
Stellar Mass
1.372 M☉
Metallicity [Fe/H]
0.16
Extended Stellar Properties
Surface gravity (log g)
3.929 dex
Stellar density
0.205 g/cm³
Rotational v·sin i
5.90 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
1.523 mas
Total Proper Motion
20.433 mas/yr
PM Right Ascension
-11.16 mas/yr
PM Declination
-17.12 mas/yr
Galactic Cartesian (pc)
x = -0.260 · y = -0.803 · z = -0.536
Equatorial (J2000)
RA 252.04788° · Dec -32.43375°
Galactic ℓ, b
349.996° · 8.060°
Ecliptic λ, β
254.682° · -9.944°
HTM-20 index
-788920017
Similar Worlds
TOI-163 b
Gas Giant · F-type yellow-white
Radius 16.69 R⊕ · 1,342.8 ly
WTS-1 b
Gas Giant · F-type yellow-white
Radius 16.70 R⊕ · 7,651.7 ly
WASP-1 b
Gas Giant · F-type yellow-white
Radius 16.62 R⊕ · 1,282.0 ly
HAT-P-6 b
Gas Giant · F-type yellow-white
Radius 16.59 R⊕ · 898.1 ly
TOI-4329 b
Gas Giant · F-type yellow-white
Radius 16.81 R⊕ · 2,339.0 ly
WASP-136 b
Gas Giant · F-type yellow-white
Radius 16.81 R⊕ · 898.8 ly