Key parameters at a glance
- A radius of 12.42 Earth radii
- A mass of 2,094.49 Earth masses
- Surface gravity around 13.58 g
- An orbital period of 7.581 days
- Semi-major axis 0.0796 AU
- Equilibrium temperature 1,195 K (922 °C)
- Distance from Earth 904.82 light-years
- Earth Similarity Index 0.143
- Travel time at Voyager 1 speed 15,956,477 years
TOI-5350 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1296of 1771
top 73.1%
This planet
12.42R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-5350 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.42 | 11.21 |
| Mass (M⊕) | 1.00 | 2,094.49 | 317.83 |
| Density (g/cm³) | 5.51 | 6.03 | 1.33 |
| Surface Gravity (g) | 1.00 | 13.58 | 2.53 |
| Insolation (S⊕) | 1.00 | 321.88 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 2,094.489 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 68808155
Gaia DR2
Gaia DR2 3412163401401508096
Gaia DR3
Gaia DR3 3412163401401508096
System
TOI-5350
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 7.58 Earth days (2.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0796 AU.
Transit Fingerprint
Depth
0.911 %
Duration
4.486 h
Impact parameter b
0.220
Rp / R★
0.090270
Transit midpoint (BJD)
2,459,611.6581
Photometric dip
Transit produces a flux drop of 9,110 ppm lasting ≈ 4.49 h.
Extended Orbital Architecture
Planet / star radius ratio
0.090270
Semi-major axis / stellar radius
13.580
Impact parameter (b)
0.220
RV semi-amplitude (K)
613.300 m/s
Transit mid-time (BJD)
2,459,611.6581
Long. of periastron (ω)
121.00°
Angular separation (arcsec)
0.28700
Eq. Temperature
1,195K
(922 °C)
Insolation (S⊕)
321.88
Earth = 1.00
Earth Similarity (ESI)
0.143
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
Schulte et al. 2025Instrument
TESS CCD Array
Publication
2025-09
Observation locale
Space
Discovery cohort
Planets confirmed in 2025 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-5350
Spectral Class
F-type yellow-white
Effective Temperature
6,220 K — hotter than the Sun (5,778 K)
Estimated Age
3.10 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.263 R☉
Stellar Mass
1.167 M☉
Metallicity [Fe/H]
0.04
Extended Stellar Properties
Surface gravity (log g)
4.304 dex
Stellar density
0.821 g/cm³
Rotational v·sin i
9.01 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
3.577 mas
Total Proper Motion
24.024 mas/yr
PM Right Ascension
-1.56 mas/yr
PM Declination
-23.97 mas/yr
Galactic Cartesian (pc)
x = 0.250 · y = 0.896 · z = 0.368
Equatorial (J2000)
RA 74.40230° · Dec 21.60198°
Galactic ℓ, b
179.990° · -13.086°
Ecliptic λ, β
75.516° · -1.057°
HTM-20 index
556447734
Similar Worlds
Kepler-1514 b
Gas Giant · F-type yellow-white
Radius 12.42 R⊕ · 1,295.8 ly
HD 106906 b
Gas Giant · F-type yellow-white
Radius 12.40 R⊕ · 336.0 ly
HAT-P-2 c
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Radius 12.40 R⊕ · 416.7 ly
HD 23596 b
Gas Giant · F-type yellow-white
Radius 12.40 R⊕ · 169.6 ly
HD 142 c
Gas Giant · F-type yellow-white
Radius 12.40 R⊕ · 85.4 ly
TOI-4791 b
Gas Giant · F-type yellow-white
Radius 12.44 R⊕ · 1,072.4 ly