Key parameters at a glance
- A radius of 12.60 Earth radii
- A mass of 324.18 Earth masses
- Surface gravity around 2.04 g
- An orbital period of 9.089 days
- Semi-major axis 0.0813 AU
- Equilibrium temperature 801 K (528 °C)
- Distance from Earth 575.46 light-years
- Earth Similarity Index 0.183
- Travel time at Voyager 1 speed 10,148,177 years
TOI-3693 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1223of 1771
top 69.0%
This planet
12.60R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-3693 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.60 | 11.21 |
| Mass (M⊕) | 1.00 | 324.18 | 317.83 |
| Density (g/cm³) | 5.51 | 0.89 | 1.33 |
| Surface Gravity (g) | 1.00 | 2.04 | 2.53 |
| Insolation (S⊕) | 1.00 | 68.60 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 324.185 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 240823272
Gaia DR2
Gaia DR2 404433018447476096
Gaia DR3
Gaia DR3 404433018447476096
System
TOI-3693
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.09 Earth days (2.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0813 AU.
Transit Fingerprint
Depth
2.134 %
Duration
3.557 h
Impact parameter b
0.170
Transit midpoint (BJD)
2,458,806.6816
Photometric dip
Transit produces a flux drop of 21,340 ppm lasting ≈ 3.56 h.
Extended Orbital Architecture
Semi-major axis / stellar radius
22.130
Impact parameter (b)
0.170
RV semi-amplitude (K)
109.000 m/s
Transit mid-time (BJD)
2,458,806.6816
Angular separation (arcsec)
0.46100
Eq. Temperature
801K
(528 °C)
Insolation (S⊕)
68.60
Earth = 1.00
Earth Similarity (ESI)
0.183
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
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. 2022Instrument
TESS CCD Array
Publication
2022-08
Observation locale
Space
Discovery cohort
Planets confirmed in 2022 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-3693
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,321 K — cooler than the Sun (5,778 K)
Estimated Age
3.00 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.791 R☉
Stellar Mass
0.867 M☉
Metallicity [Fe/H]
0.07
Extended Stellar Properties
Surface gravity (log g)
4.581 dex
Stellar density
2.480 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
5.639 mas
Total Proper Motion
22.432 mas/yr
PM Right Ascension
-6.93 mas/yr
PM Declination
-21.33 mas/yr
Galactic Cartesian (pc)
x = 0.602 · y = 0.169 · z = 0.780
Equatorial (J2000)
RA 15.65439° · Dec 51.30389°
Galactic ℓ, b
124.715° · -11.529°
Ecliptic λ, β
37.693° · 40.464°
HTM-20 index
804159560
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