Key parameters at a glance
- A radius of 14.87 Earth radii
- A mass of 750.40 Earth masses
- Surface gravity around 3.39 g
- An orbital period of 1.537 days
- Semi-major axis 0.0268 AU
- Equilibrium temperature 1,733 K (1460 °C)
- Distance from Earth 1,260.09 light-years
- Earth Similarity Index 0.078
- Travel time at Voyager 1 speed 22,221,698 years
WASP-36 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#246of 1771
top 13.8%
This planet
14.87R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | WASP-36 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 14.87 | 11.21 |
| Mass (M⊕) | 1.00 | 750.40 | 317.83 |
| Density (g/cm³) | 5.51 | 1.26 | 1.33 |
| Surface Gravity (g) | 1.00 | 3.39 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,422.61 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 750.397 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 13349647
Gaia DR2
Gaia DR2 5750936092375254016
Gaia DR3
Gaia DR3 5750936092375254016
System
WASP-36
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 1.54 Earth days (0.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0268 AU.
Transit Fingerprint
Depth
1.783 %
Duration
1.816 h
Impact parameter b
0.657
Rp / R★
0.136770
Transit midpoint (BJD)
2,455,569.8377
Photometric dip
Transit produces a flux drop of 17,829 ppm lasting ≈ 1.82 h.
Extended Orbital Architecture
Planet / star radius ratio
0.136770
Semi-major axis / stellar radius
5.848
Impact parameter (b)
0.657
RV semi-amplitude (K)
391.500 m/s
Transit mid-time (BJD)
2,455,569.8377
Angular separation (arcsec)
0.06930
Eq. Temperature
1,733K
(1460 °C)
Insolation (S⊕)
1,422.61
Earth = 1.00
Earth Similarity (ESI)
0.078
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
Smith et al. 2012Instrument
iKon-L CCD Camera
Publication
2012-04
Observation locale
Ground
Discovery cohort
Planets confirmed in 2011 at SuperWASP (8 shown).
Host System: WASP-36
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,959 K — hotter than the Sun (5,778 K)
Estimated Age
1.40 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.985 R☉
Stellar Mass
1.081 M☉
Metallicity [Fe/H]
-0.26
Extended Stellar Properties
Surface gravity (log g)
4.486 dex
Stellar density
1.595 g/cm³
Systemic radial velocity
-13.22 km/s
Rotational v·sin i
3.30 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
2.560 mas
Total Proper Motion
9.617 mas/yr
PM Right Ascension
-4.08 mas/yr
PM Declination
-8.71 mas/yr
Galactic Cartesian (pc)
x = -0.657 · y = 0.741 · z = -0.140
Equatorial (J2000)
RA 131.58039° · Dec -8.02699°
Galactic ℓ, b
234.385° · 21.089°
Ecliptic λ, β
136.478° · -25.008°
HTM-20 index
-1535418323
Observation Record
RV measurements
1
Transmission spectra
1
Emission spectra
4
Archive notes
1
Similar Worlds
NGTS-26 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.89 R⊕ · 3,567.1 ly
HATS-18 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.90 R⊕ · 2,036.4 ly
WASP-102 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.91 R⊕ · 1,747.2 ly
WASP-184 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.91 R⊕ · 2,163.2 ly
HAT-P-55 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.84 R⊕ · 1,667.9 ly
KELT-23 A b
Gas Giant · G-type yellow (Sun-like)
Radius 14.83 R⊕ · 411.8 ly