Key parameters at a glance
- A radius of 16.12 Earth radii
- A mass of 365.50 Earth masses
- Surface gravity around 1.41 g
- An orbital period of 4.617 days
- Semi-major axis 0.0631 AU
- Equilibrium temperature 1,669 K (1396 °C)
- Distance from Earth 1,382.38 light-years
- Earth Similarity Index 0.068
- Travel time at Voyager 1 speed 24,378,263 years
TOI-4153 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#153of 1771
top 8.6%
This planet
16.12R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-4153 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 16.12 | 11.21 |
| Mass (M⊕) | 1.00 | 365.50 | 317.83 |
| Density (g/cm³) | 5.51 | 0.48 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.41 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,212.01 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 365.503 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 470171739
Gaia DR2
Gaia DR2 2299246592282070400
Gaia DR3
Gaia DR3 2299246592282070400
System
TOI-4153
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 4.62 Earth days (1.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0631 AU.
Transit Fingerprint
Depth
0.932 %
Duration
4.512 h
Impact parameter b
0.184
Rp / R★
0.092100
Transit midpoint (BJD)
2,459,557.0575
Photometric dip
Transit produces a flux drop of 9,323 ppm lasting ≈ 4.51 h.
Extended Orbital Architecture
Planet / star radius ratio
0.092100
Semi-major axis / stellar radius
8.460
Impact parameter (b)
0.184
RV semi-amplitude (K)
103.000 m/s
Transit mid-time (BJD)
2,459,557.0575
Long. of periastron (ω)
-165.00°
Angular separation (arcsec)
0.14900
Eq. Temperature
1,669K
(1396 °C)
Insolation (S⊕)
1,212.01
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
Schulte et al. 2024Instrument
TESS CCD Array
Publication
2024-07
Observation locale
Space
Discovery cohort
Planets confirmed in 2024 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-4153
Spectral Class
F-type yellow-white
Effective Temperature
6,860 K — hotter than the Sun (5,778 K)
Estimated Age
0.40 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.605 R☉
Stellar Mass
1.572 M☉
Metallicity [Fe/H]
0.32
Extended Stellar Properties
Surface gravity (log g)
4.224 dex
Stellar density
0.537 g/cm³
Rotational v·sin i
9.44 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
2.331 mas
Total Proper Motion
18.306 mas/yr
PM Right Ascension
16.33 mas/yr
PM Declination
8.27 mas/yr
Galactic Cartesian (pc)
x = 0.123 · y = -0.056 · z = 0.991
Equatorial (J2000)
RA 335.39347° · Dec 82.21608°
Galactic ℓ, b
117.874° · 20.861°
Ecliptic λ, β
70.214° · 68.664°
HTM-20 index
-1786299773
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