Key parameters at a glance
- A radius of 16.38 Earth radii
- A mass of 255.85 Earth masses
- Surface gravity around 0.95 g
- An orbital period of 2.175 days
- Semi-major axis 0.0348 AU
- Equilibrium temperature 1,871 K (1598 °C)
- Distance from Earth 1,878.30 light-years
- Earth Similarity Index 0.056
- Travel time at Voyager 1 speed 33,123,757 years
WASP-92 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#138of 1771
top 7.7%
This planet
16.38R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | WASP-92 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 16.38 | 11.21 |
| Mass (M⊕) | 1.00 | 255.85 | 317.83 |
| Density (g/cm³) | 5.51 | 0.35 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.95 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,622.25 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 255.853 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 162689341
Gaia DR2
Gaia DR2 1424011082893734272
Gaia DR3
Gaia DR3 1424011082893734272
System
WASP-92
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.17 Earth days (0.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0348 AU.
Transit Fingerprint
Depth
1.254 %
Duration
2.767 h
Impact parameter b
0.608
Rp / R★
0.112000
Transit midpoint (BJD)
2,456,381.2834
Photometric dip
Transit produces a flux drop of 12,540 ppm lasting ≈ 2.77 h.
Extended Orbital Architecture
Planet / star radius ratio
0.112000
Semi-major axis / stellar radius
5.587
Impact parameter (b)
0.608
RV semi-amplitude (K)
111.600 m/s
Transit mid-time (BJD)
2,456,381.2834
Long. of periastron (ω)
0.00°
Angular separation (arcsec)
0.06040
Eq. Temperature
1,871K
(1598 °C)
Insolation (S⊕)
1,622.25
Earth = 1.00
Earth Similarity (ESI)
0.056
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
Hay et al. 2016Instrument
iKon-L CCD Camera
Publication
2016-12
Observation locale
Ground
Discovery cohort
Planets confirmed in 2016 at SuperWASP (11 shown).
Host System: WASP-92
Spectral Class
F-type yellow-white
Effective Temperature
6,280 K — hotter than the Sun (5,778 K)
Estimated Age
2.29 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.341 R☉
Stellar Mass
1.190 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
4.259 dex
Stellar density
0.697 g/cm³
Systemic radial velocity
-29.17 km/s
Rotational v·sin i
5.73 km/s
Rotation period
10.07 days
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.708 mas
Total Proper Motion
13.267 mas/yr
PM Right Ascension
-5.67 mas/yr
PM Declination
12.00 mas/yr
Galactic Cartesian (pc)
x = -0.249 · y = -0.577 · z = 0.778
Equatorial (J2000)
RA 246.69204° · Dec 51.04113°
Galactic ℓ, b
78.780° · 43.221°
Ecliptic λ, β
221.546° · 70.584°
HTM-20 index
919676069
Similar Worlds
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HD 206893 c
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GPX-1 b
Gas Giant · F-type yellow-white
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Kepler-433 b
Gas Giant · F-type yellow-white
Radius 16.25 R⊕ · 6,126.2 ly