Key parameters at a glance
- A radius of 15.65 Earth radii
- A mass of 753.26 Earth masses
- Surface gravity around 3.08 g
- An orbital period of 4.720 days
- Semi-major axis 0.0626 AU
- Equilibrium temperature 1,679 K (1406 °C)
- Distance from Earth 653.92 light-years
- Earth Similarity Index 0.078
- Travel time at Voyager 1 speed 11,531,820 years
TOI-1333 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#188of 1771
top 10.6%
This planet
15.65R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-1333 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 15.65 | 11.21 |
| Mass (M⊕) | 1.00 | 753.26 | 317.83 |
| Density (g/cm³) | 5.51 | 1.08 | 1.33 |
| Surface Gravity (g) | 1.00 | 3.08 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,112.85 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 753.257 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 395171208
Gaia DR2
Gaia DR2 1978027916667478656
Gaia DR3
Gaia DR3 1978027916667478656
System
TOI-1333
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 4.72 Earth days (1.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0626 AU.
Transit Fingerprint
Depth
0.555 %
Duration
4.642 h
Impact parameter b
0.504
Rp / R★
0.074500
Transit midpoint (BJD)
2,458,913.3703
Photometric dip
Transit produces a flux drop of 5,550 ppm lasting ≈ 4.64 h.
Extended Orbital Architecture
Planet / star radius ratio
0.074500
Semi-major axis / stellar radius
6.980
Impact parameter (b)
0.504
RV semi-amplitude (K)
223.000 m/s
Transit mid-time (BJD)
2,458,913.3703
Long. of periastron (ω)
105.00°
Sky-projected obliquity (λ)
-5.00°
Angular separation (arcsec)
0.31200
Eq. Temperature
1,679K
(1406 °C)
Insolation (S⊕)
1,112.85
Earth = 1.00
Earth Similarity (ESI)
0.078
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
Rodriguez et al. 2021Instrument
TESS CCD Array
Publication
2021-04
Observation locale
Space
Discovery cohort
Planets confirmed in 2021 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-1333
Spectral Class
F-type yellow-white
Effective Temperature
6,274 K — hotter than the Sun (5,778 K)
Estimated Age
2.33 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.925 R☉
Stellar Mass
1.464 M☉
Metallicity [Fe/H]
0.12
Extended Stellar Properties
Surface gravity (log g)
4.034 dex
Stellar density
0.289 g/cm³
Systemic radial velocity
-15.16 km/s
Rotational v·sin i
14.20 km/s
Rotation period
5.30 days
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
4.959 mas
Total Proper Motion
14.370 mas/yr
PM Right Ascension
-9.81 mas/yr
PM Declination
-10.50 mas/yr
Galactic Cartesian (pc)
x = 0.544 · y = -0.381 · z = 0.748
Equatorial (J2000)
RA 325.01454° · Dec 48.40677°
Galactic ℓ, b
93.402° · -3.181°
Ecliptic λ, β
354.563° · 56.884°
HTM-20 index
-1295818262
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