Key parameters at a glance
- A radius of 13.57 Earth radii
- A mass of 263.80 Earth masses
- Surface gravity around 1.43 g
- An orbital period of 2.455 days
- Semi-major axis 0.0352 AU
- Equilibrium temperature 1,397 K (1124 °C)
- Distance from Earth 772.03 light-years
- Earth Similarity Index 0.091
- Travel time at Voyager 1 speed 13,614,705 years
TOI-2107 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#658of 1771
top 37.1%
This planet
13.57R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-2107 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 13.57 | 11.21 |
| Mass (M⊕) | 1.00 | 263.80 | 317.83 |
| Density (g/cm³) | 5.51 | 0.58 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.43 | 2.53 |
| Insolation (S⊕) | 1.00 | 508.47 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 263.798 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 446549906
Gaia DR2
Gaia DR2 6633448311454447232
Gaia DR3
Gaia DR3 6633448311454447232
System
TOI-2107
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.45 Earth days (0.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0352 AU.
Transit Fingerprint
Depth
2.131 %
Duration
2.596 h
Impact parameter b
0.078
Rp / R★
0.133500
Transit midpoint (BJD)
2,459,228.9818
Photometric dip
Transit produces a flux drop of 21,310 ppm lasting ≈ 2.60 h.
Extended Orbital Architecture
Planet / star radius ratio
0.133500
Semi-major axis / stellar radius
8.130
Impact parameter (b)
0.078
RV semi-amplitude (K)
128.000 m/s
Transit mid-time (BJD)
2,459,228.9818
Long. of periastron (ω)
153.00°
Angular separation (arcsec)
0.14800
Eq. Temperature
1,397K
(1124 °C)
Insolation (S⊕)
508.47
Earth = 1.00
Earth Similarity (ESI)
0.091
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-2107
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,627 K — cooler than the Sun (5,778 K)
Estimated Age
4.00 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.932 R☉
Stellar Mass
0.961 M☉
Metallicity [Fe/H]
0.07
Extended Stellar Properties
Surface gravity (log g)
4.484 dex
Stellar density
1.680 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 10 bands
Astrometric Data
Parallax
4.196 mas
Total Proper Motion
8.991 mas/yr
PM Right Ascension
3.89 mas/yr
PM Declination
-8.11 mas/yr
Galactic Cartesian (pc)
x = 0.150 · y = -0.497 · z = -0.854
Equatorial (J2000)
RA 286.79654° · Dec -58.69683°
Galactic ℓ, b
337.791° · -24.920°
Ecliptic λ, β
280.675° · -35.879°
HTM-20 index
-1024146547
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