Key parameters at a glance
- A radius of 15.47 Earth radii
- A mass of 2,809.62 Earth masses
- Surface gravity around 11.74 g
- An orbital period of 2.244 days
- Semi-major axis 0.0370 AU
- Equilibrium temperature 1,872 K (1599 °C)
- Distance from Earth 528.36 light-years
- Earth Similarity Index 0.072
- Travel time at Voyager 1 speed 9,317,680 years
WASP-14 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#201of 1771
top 11.3%
This planet
15.47R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | WASP-14 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 15.47 | 11.21 |
| Mass (M⊕) | 1.00 | 2,809.62 | 317.83 |
| Density (g/cm³) | 5.51 | 2.25 | 1.33 |
| Surface Gravity (g) | 1.00 | 11.74 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,356.33 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 2,809.617 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 347430350
Gaia DR2
Gaia DR2 1242084170974175232
Gaia DR3
Gaia DR3 1242084170974175232
System
WASP-14
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.24 Earth days (0.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0370 AU.
Transit Fingerprint
Depth
1.000 %
Duration
2.574 h
Impact parameter b
0.499
Rp / R★
0.094200
Transit midpoint (BJD)
2,455,643.7979
Photometric dip
Transit produces a flux drop of 10,000 ppm lasting ≈ 2.57 h.
Extended Orbital Architecture
Planet / star radius ratio
0.094200
Semi-major axis / stellar radius
6.050
Impact parameter (b)
0.499
RV semi-amplitude (K)
993.000 m/s
Transit mid-time (BJD)
2,455,643.7979
Long. of periastron (ω)
251.61°
Sky-projected obliquity (λ)
-14.00°
Angular separation (arcsec)
0.22800
Eq. Temperature
1,872K
(1599 °C)
Insolation (S⊕)
1,356.33
Earth = 1.00
Earth Similarity (ESI)
0.072
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
Joshi et al. 2009Instrument
iKon-L CCD Camera
Publication
2009-02
Observation locale
Ground
Discovery cohort
Planets confirmed in 2008 at SuperWASP (5 shown).
Host System: WASP-14
Spectral Class
F-type yellow-white
Effective Temperature
6,475 K — hotter than the Sun (5,778 K)
Estimated Age
0.75 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.400 R☉
Stellar Mass
1.620 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
4.070 dex
Stellar density
0.830 g/cm³
Systemic radial velocity
-4.99 km/s
Rotational v·sin i
4.90 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
6.144 mas
Total Proper Motion
30.057 mas/yr
PM Right Ascension
29.24 mas/yr
PM Declination
-6.95 mas/yr
Galactic Cartesian (pc)
x = -0.728 · y = -0.575 · z = 0.373
Equatorial (J2000)
RA 218.27662° · Dec 21.89469°
Galactic ℓ, b
25.739° · 66.334°
Ecliptic λ, β
207.486° · 34.804°
HTM-20 index
-1070060978
Observation Record
Photometric series
14
RV measurements
5
Transmission spectra
1
Emission spectra
7
Archive notes
3
Similar Worlds
WASP-24 b
Gas Giant · F-type yellow-white
Radius 15.47 R⊕ · 1,050.6 ly
WASP-159 b
Gas Giant · F-type yellow-white
Radius 15.47 R⊕ · 2,333.3 ly
WASP-20 b
Gas Giant · F-type yellow-white
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WASP-194 b
Gas Giant · F-type yellow-white
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HATS-3 b
Gas Giant · F-type yellow-white
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HATS-52 b
Gas Giant · F-type yellow-white
Radius 15.49 R⊕ · 1,810.6 ly