Confirmed Exoplanet Discovered 2012

WASP-62 b

A gas giant orbiting the f-type yellow-white WASP-62, located approximately 572.8 light-years from Earth.

Key parameters at a glance

  • A radius of 14.80 Earth radii
  • A mass of 165.27 Earth masses
  • Surface gravity around 0.75 g
  • An orbital period of 4.412 days
  • Semi-major axis 0.0571 AU
  • Equilibrium temperature 1,475 K (1202 °C)
  • Distance from Earth 572.83 light-years
  • Earth Similarity Index 0.072
  • Travel time at Voyager 1 speed 10,101,875 years

WASP-62 b Planet Profile

Physical Specs

Radius
14.80 R⊕
Radius (Jupiter)
1.320 R♃
Mass
165.27 M⊕
Mass (Jupiter)
0.520 M♃
Density
0.26 g/cm³
Surface Gravity
0.75 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.072
HZ Position Inner
Controversial No

Discovery

Year 2012
Method Transit
Facility SuperWASP
Telescope Canon 200mm f/1.8L

Size rank in cohort

Rank by radius

#252of 1771

top 14.2%

This planet

14.80R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth WASP-62 b Jupiter
Radius (R⊕)1.0014.8011.21
Mass (M⊕)1.00165.27317.83
Density (g/cm³)5.510.261.33
Surface Gravity (g)1.000.752.53
Insolation (S⊕)1.00653.250.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 165.272 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 149603524

Gaia DR2

Gaia DR2 4756649415309914240

Gaia DR3

Gaia DR3 4756649415309914240

System

WASP-62

Percentile among Gas Giant cohort

Radius 14.796 R⊕ · percentile 86 / cohort 1771
Mass 165.272 M⊕ · percentile 14 / cohort 1747
Orbital period 4.41 d · percentile 33 / cohort 1533
Distance 175.63 pc · percentile 47 / cohort 1759
ESI 0.072 · percentile 14 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
4.412 days
Semi-major axis
0.0571 AU
Eccentricity
0.000
Inclination
88.30 °

Year Length

A year here lasts approximately 4.41 Earth days (1.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0571 AU.

Transit Fingerprint

Depth

1.200 %

Duration

3.650 h

Impact parameter b

0.228

Rp / R★

0.111100

Transit midpoint (BJD)

2,458,851.0993

Photometric dip

Transit produces a flux drop of 12,000 ppm lasting ≈ 3.65 h.

Extended Orbital Architecture

Planet / star radius ratio

0.111100

Semi-major axis / stellar radius

9.550

Impact parameter (b)

0.228

RV semi-amplitude (K)

60.000 m/s

Transit mid-time (BJD)

2,458,851.0993

Sky-projected obliquity (λ)

19.40°

Angular separation (arcsec)

0.32500

Eq. Temperature

1,475K

(1202 °C)

Insolation (S⊕)

653.25

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

Hellier et al. 2012

Instrument

iKon-L CCD Camera

Publication

2012-10

Observation locale

Ground

Host System: WASP-62

Spectral Class

F-type yellow-white

Effective Temperature

6,230 K — hotter than the Sun (5,778 K)

Estimated Age

2.60 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.230 R☉

Stellar Mass

1.110 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.450 dex

Stellar density

0.850 g/cm³

Systemic radial velocity

14.86 km/s

Rotational v·sin i

9.30 km/s

Metallicity ratio

[Fe/H]

Distance
175.63 parsec
Light-years 572.83 ly
V-band magnitude
10.21 mag
Voyager-speed travel 10,101,875 yr

Multi-band Host Photometry — 11 bands

8.910.710.73B10.21V10.07Gaia9.71TESS9.27J9.01H8.94K8.90W18.92W28.87W39.17W4

Astrometric Data

Parallax

5.665 mas

Total Proper Motion

30.381 mas/yr

PM Right Ascension

-15.64 mas/yr

PM Declination

26.05 mas/yr

Galactic Cartesian (pc)

x = 0.022 · y = 0.438 · z = -0.899

Equatorial (J2000)

RA 87.13982° · Dec -63.98833°

Galactic ℓ, b

273.416° · -31.034°

Ecliptic λ, β

63.749° · -87.164°

HTM-20 index

1946147796

Observation Record

RV measurements

1

Transmission spectra

4

Emission spectra

5

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