Key parameters at a glance
- A radius of 11.99 Earth radii
- A mass of 2,034.10 Earth masses
- Surface gravity around 14.14 g
- An orbital period of 17.306 days
- Semi-major axis 0.1600 AU
- Equilibrium temperature 1,221 K (948 °C)
- Distance from Earth 1,071.34 light-years
- Earth Similarity Index 0.074
- Travel time at Voyager 1 speed 18,893,096 years
TOI-2005 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1514of 1771
top 85.4%
This planet
11.99R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-2005 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 11.99 | 11.21 |
| Mass (M⊕) | 1.00 | 2,034.10 | 317.83 |
| Density (g/cm³) | 5.51 | — | 1.33 |
| Surface Gravity (g) | 1.00 | 14.14 | 2.53 |
| Insolation (S⊕) | 1.00 | 525.94 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 2,034.102 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 147660886
Gaia DR2
Gaia DR2 5388416255319817856
Gaia DR3
Gaia DR3 5388416255319817856
System
TOI-2005
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 17.31 Earth days (4.7% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.1600 AU.
Transit Fingerprint
Depth
0.281 %
Duration
2.249 h
Impact parameter b
0.520
Rp / R★
0.051070
Transit midpoint (BJD)
2,458,549.8376
Photometric dip
Transit produces a flux drop of 2,807 ppm lasting ≈ 2.25 h.
Extended Orbital Architecture
Planet / star radius ratio
0.051070
Semi-major axis / stellar radius
15.900
Impact parameter (b)
0.520
RV semi-amplitude (K)
1,320.000 m/s
Transit mid-time (BJD)
2,458,549.8376
Sky-projected obliquity (λ)
4.80°
Angular separation (arcsec)
0.48700
Eq. Temperature
1,221K
(948 °C)
Insolation (S⊕)
525.94
Earth = 1.00
Earth Similarity (ESI)
0.074
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
Discovery Paper
Primary reference
Bieryla et al. 2025Instrument
TESS CCD Array
Publication
2025-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2025 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-2005
Spectral Class
F-type yellow-white
Effective Temperature
7,130 K — hotter than the Sun (5,778 K)
Estimated Age
1.60 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
2.020 R☉
Stellar Mass
1.590 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
3.946 dex
Stellar density
0.210 g/cm³
Rotational v·sin i
111.00 km/s
Metallicity ratio
[m/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
3.016 mas
Total Proper Motion
26.551 mas/yr
PM Right Ascension
-25.25 mas/yr
PM Declination
8.21 mas/yr
Galactic Cartesian (pc)
x = -0.699 · y = 0.200 · z = -0.687
Equatorial (J2000)
RA 164.03165° · Dec -43.37670°
Galactic ℓ, b
281.690° · 14.688°
Ecliptic λ, β
187.313° · -45.207°
HTM-20 index
218978460
Similar Worlds
NGTS-9 b
Gas Giant · F-type yellow-white
Radius 11.99 R⊕ · 1,986.7 ly
WASP-150 b
Gas Giant · F-type yellow-white
Radius 11.99 R⊕ · 1,722.1 ly
TOI-892 b
Gas Giant · F-type yellow-white
Radius 11.99 R⊕ · 1,110.7 ly
WASP-158 b
Gas Giant · F-type yellow-white
Radius 11.99 R⊕ · 1,712.3 ly
HD 80913 b
Gas Giant · F-type yellow-white
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Kepler-448 c
Gas Giant · F-type yellow-white
Radius 12.00 R⊕ · 1,302.7 ly