Key parameters at a glance
- A radius of 11.14 Earth radii
- A mass of 1,531.93 Earth masses
- Surface gravity around 12.34 g
- An orbital period of 10.656 days
- Semi-major axis 0.1166 AU
- Equilibrium temperature 1,595 K (1322 °C)
- Distance from Earth 930.49 light-years
- Earth Similarity Index 0.106
- Travel time at Voyager 1 speed 16,409,141 years
TOI-2497 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1644of 1771
top 92.8%
This planet
11.14R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-2497 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 11.14 | 11.21 |
| Mass (M⊕) | 1.00 | 1,531.93 | 317.83 |
| Density (g/cm³) | 5.51 | 6.10 | 1.33 |
| Surface Gravity (g) | 1.00 | 12.34 | 2.53 |
| Insolation (S⊕) | 1.00 | 997.81 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 1,531.933 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 97568467
Gaia DR2
Gaia DR2 3342228616422593664
Gaia DR3
Gaia DR3 3342228616422593664
System
TOI-2497
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 10.66 Earth days (2.9% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.1166 AU.
Transit Fingerprint
Depth
0.188 %
Duration
7.838 h
Impact parameter b
0.350
Rp / R★
0.043330
Transit midpoint (BJD)
2,459,109.1982
Photometric dip
Transit produces a flux drop of 1,877 ppm lasting ≈ 7.84 h.
Extended Orbital Architecture
Planet / star radius ratio
0.043330
Semi-major axis / stellar radius
10.630
Impact parameter (b)
0.350
RV semi-amplitude (K)
300.000 m/s
Transit mid-time (BJD)
2,459,109.1982
Long. of periastron (ω)
-20.00°
Angular separation (arcsec)
0.40900
Eq. Temperature
1,595K
(1322 °C)
Insolation (S⊕)
997.81
Earth = 1.00
Earth Similarity (ESI)
0.106
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. 2023Instrument
TESS CCD Array
Publication
2023-02
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-2497
Spectral Class
F-type yellow-white
Effective Temperature
7,360 K — hotter than the Sun (5,778 K)
Estimated Age
1.00 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
2.360 R☉
Stellar Mass
1.859 M☉
Metallicity [Fe/H]
0.09
Extended Stellar Properties
Surface gravity (log g)
3.962 dex
Stellar density
0.200 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
3.477 mas
Total Proper Motion
30.035 mas/yr
PM Right Ascension
12.50 mas/yr
PM Declination
-27.31 mas/yr
Galactic Cartesian (pc)
x = -0.001 · y = 0.979 · z = 0.206
Equatorial (J2000)
RA 90.06259° · Dec 11.88406°
Galactic ℓ, b
196.463° · -5.682°
Ecliptic λ, β
90.059° · -11.555°
HTM-20 index
34338872
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