Key parameters at a glance
- A radius of 14.07 Earth radii
- A mass of 797.75 Earth masses
- Surface gravity around 4.03 g
- An orbital period of 5.857 days
- Semi-major axis 0.0704 AU
- Equilibrium temperature 1,405 K (1131 °C)
- Distance from Earth 1,096.75 light-years
- Earth Similarity Index 0.106
- Travel time at Voyager 1 speed 19,341,273 years
TOI-150.01 Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#403of 1771
top 22.7%
This planet
14.07R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-150.01 | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 14.07 | 11.21 |
| Mass (M⊕) | 1.00 | 797.75 | 317.83 |
| Density (g/cm³) | 5.51 | 1.68 | 1.33 |
| Surface Gravity (g) | 1.00 | 4.03 | 2.53 |
| Insolation (S⊕) | 1.00 | 750.92 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 797.753 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 271893367
Gaia DR2
Gaia DR2 5262709709389254528
Gaia DR3
Gaia DR3 5262709709389254528
System
TOI-150
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 5.86 Earth days (1.6% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0704 AU.
Transit Fingerprint
Depth
0.649 %
Duration
5.120 h
Impact parameter b
0.330
Rp / R★
0.082600
Transit midpoint (BJD)
2,458,326.2773
Photometric dip
Transit produces a flux drop of 6,490 ppm lasting ≈ 5.12 h.
Extended Orbital Architecture
Planet / star radius ratio
0.082600
Semi-major axis / stellar radius
9.917
Impact parameter (b)
0.330
RV semi-amplitude (K)
240.000 m/s
Transit mid-time (BJD)
2,458,326.2773
Angular separation (arcsec)
0.20900
Eq. Temperature
1,405K
(1131 °C)
Insolation (S⊕)
750.92
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
Ca Ntilde As et al. 2019Instrument
TESS CCD Array
Publication
2019-06
Observation locale
Space
Discovery cohort
Planets confirmed in 2019 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-150
Spectral Class
F-type yellow-white
Effective Temperature
6,255 K — hotter than the Sun (5,778 K)
Estimated Age
2.35 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.526 R☉
Stellar Mass
1.351 M☉
Metallicity [Fe/H]
0.28
Extended Stellar Properties
Surface gravity (log g)
4.130 dex
Stellar density
0.533 g/cm³
Systemic radial velocity
4.86 km/s
Rotational v·sin i
7.96 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
2.945 mas
Total Proper Motion
31.117 mas/yr
PM Right Ascension
-15.21 mas/yr
PM Declination
27.14 mas/yr
Galactic Cartesian (pc)
x = -0.110 · y = 0.260 · z = -0.959
Equatorial (J2000)
RA 112.96542° · Dec -73.60604°
Galactic ℓ, b
285.341° · -23.164°
Ecliptic λ, β
232.431° · -79.594°
HTM-20 index
1511824245
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