Key parameters at a glance
- A radius of 11.21 Earth radii
- A mass of 1,652.72 Earth masses
- Surface gravity around 13.15 g
- An orbital period of 9.625 days
- Semi-major axis 0.0871 AU
- Equilibrium temperature 910 K (637 °C)
- Distance from Earth 1,013.83 light-years
- Earth Similarity Index 0.194
- Travel time at Voyager 1 speed 17,878,831 years
- Almost certainly tidally locked to its host star given the close orbit
WASP-162 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1629of 1771
top 91.9%
This planet
11.21R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | WASP-162 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 11.21 | 11.21 |
| Mass (M⊕) | 1.00 | 1,652.72 | 317.83 |
| Density (g/cm³) | 5.51 | 6.90 | 1.33 |
| Surface Gravity (g) | 1.00 | 13.15 | 2.53 |
| Insolation (S⊕) | 1.00 | 121.92 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 1,652.716 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 308098254
Gaia DR2
Gaia DR2 3558354604869150208
Gaia DR3
Gaia DR3 3558354604869150208
System
WASP-162
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.62 Earth days (2.6% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.0871 AU.
Transit Fingerprint
Depth
0.870 %
Duration
4.258 h
Impact parameter b
0.180
Rp / R★
0.093300
Transit midpoint (BJD)
2,457,701.3816
Photometric dip
Transit produces a flux drop of 8,700 ppm lasting ≈ 4.26 h.
Extended Orbital Architecture
Planet / star radius ratio
0.093300
Semi-major axis / stellar radius
17.000
Impact parameter (b)
0.180
RV semi-amplitude (K)
507.000 m/s
Transit mid-time (BJD)
2,457,701.3816
Long. of periastron (ω)
-1.90°
Angular separation (arcsec)
0.28000
Eq. Temperature
910K
(637 °C)
Insolation (S⊕)
121.92
Earth = 1.00
Earth Similarity (ESI)
0.194
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
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
Hellier et al. 2019Instrument
iKon-L CCD Camera
Publication
2019-01
Observation locale
Ground
Discovery cohort
Planets confirmed in 2018 at SuperWASP-South (12 shown).
Host System: WASP-162
Spectral Class
K-type orange
Effective Temperature
5,300 K — cooler than the Sun (5,778 K)
Estimated Age
12.97 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.110 R☉
Stellar Mass
0.950 M☉
Metallicity [Fe/H]
0.28
Extended Stellar Properties
Surface gravity (log g)
4.330 dex
Stellar density
1.000 g/cm³
Systemic radial velocity
16.82 km/s
Rotational v·sin i
1.00 km/s
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
3.189 mas
Total Proper Motion
9.809 mas/yr
PM Right Ascension
6.01 mas/yr
PM Declination
-7.75 mas/yr
Galactic Cartesian (pc)
x = -0.933 · y = 0.193 · z = -0.303
Equatorial (J2000)
RA 168.29291° · Dec -17.65778°
Galactic ℓ, b
272.153° · 39.270°
Ecliptic λ, β
176.517° · -20.806°
HTM-20 index
37309757
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