Key parameters at a glance
- A radius of 12.23 Earth radii
- A mass of 530.77 Earth masses
- Surface gravity around 3.55 g
- An orbital period of 5.877 days
- Semi-major axis 0.0675 AU
- Equilibrium temperature 1,264 K (991 °C)
- Distance from Earth 906.38 light-years
- Earth Similarity Index 0.123
- Travel time at Voyager 1 speed 15,984,086 years
TOI-3364 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1399of 1771
top 78.9%
This planet
12.23R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-3364 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.23 | 11.21 |
| Mass (M⊕) | 1.00 | 530.77 | 317.83 |
| Density (g/cm³) | 5.51 | 1.60 | 1.33 |
| Surface Gravity (g) | 1.00 | 3.55 | 2.53 |
| Insolation (S⊕) | 1.00 | 425.00 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 530.773 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 280655495
Gaia DR2
Gaia DR2 5409268527708808320
Gaia DR3
Gaia DR3 5409268527708808320
System
TOI-3364
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 5.88 Earth days (1.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0675 AU.
Transit Fingerprint
Depth
0.624 %
Duration
4.646 h
Impact parameter b
0.220
Transit midpoint (BJD)
2,459,090.9948
Photometric dip
Transit produces a flux drop of 6,240 ppm lasting ≈ 4.65 h.
Extended Orbital Architecture
Semi-major axis / stellar radius
10.240
Impact parameter (b)
0.220
RV semi-amplitude (K)
168.000 m/s
Transit mid-time (BJD)
2,459,090.9948
Angular separation (arcsec)
0.24300
Eq. Temperature
1,264K
(991 °C)
Insolation (S⊕)
425.00
Earth = 1.00
Earth Similarity (ESI)
0.123
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
Yee et al. 2023Instrument
TESS CCD Array
Publication
2023-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-3364
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,706 K — cooler than the Sun (5,778 K)
Estimated Age
5.40 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.419 R☉
Stellar Mass
1.186 M☉
Metallicity [Fe/H]
0.39
Extended Stellar Properties
Surface gravity (log g)
4.209 dex
Stellar density
0.587 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
3.570 mas
Total Proper Motion
30.008 mas/yr
PM Right Ascension
-26.54 mas/yr
PM Declination
14.01 mas/yr
Galactic Cartesian (pc)
x = -0.531 · y = 0.378 · z = -0.759
Equatorial (J2000)
RA 144.53777° · Dec -49.33522°
Galactic ℓ, b
273.783° · 2.278°
Ecliptic λ, β
175.136° · -57.814°
HTM-20 index
1555872026
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