Confirmed Exoplanet Discovered 2024

WASP-132 d

A gas giant orbiting the k-type orange WASP-132, located approximately 400.9 light-years from Earth.

Key parameters at a glance

  • A radius of 12.80 Earth radii
  • A mass of 1,639.99 Earth masses
  • Surface gravity around 10.01 g
  • An orbital period of 1,816.600 days
  • Semi-major axis 2.7100 AU
  • Equilibrium temperature 107 K (-166 °C)
  • Distance from Earth 400.88 light-years
  • Earth Similarity Index 0.227
  • Travel time at Voyager 1 speed 7,069,489 years

2 siblings around WASP-132

WASP-132 d shares its host star with 2 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
WASP-132 c Super-Earth 1.84 6.26 1.012 1,329 2022
WASP-132 b Gas Giant 10.10 136.03 7.134 682 2016
WASP-132 d this Gas Giant 12.80 1,639.99 1,816.600 107 2024

WASP-132 d Planet Profile

Physical Specs

Radius
12.80 R⊕
Radius (Jupiter)
1.150 R♃
Mass
1,639.99 M⊕
Mass (Jupiter)
5.160 M♃
Density
4.30 g/cm³
Surface Gravity
10.01 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.227
HZ Position Outer
Controversial No

Discovery

Year 2024
Method Radial Velocity
Facility Multiple Observatories
Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#1063of 1771

top 60.0%

This planet

12.80R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth WASP-132 d Jupiter
Radius (R⊕)1.0012.8011.21
Mass (M⊕)1.001,639.99317.83
Density (g/cm³)5.514.301.33
Surface Gravity (g)1.0010.012.53
Insolation (S⊕)1.000.040.037

Alternative Mass Estimates

Method Value Interpretation
Minimum mass (M sin i) 1,639.995 M⊕ Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 127530399

Gaia DR2

Gaia DR2 6099012478412247296

Gaia DR3

Gaia DR3 6099012478412247296

System

WASP-132

Percentile among Gas Giant cohort

Radius 12.800 R⊕ · percentile 37 / cohort 1771
Mass 1,639.995 M⊕ · percentile 76 / cohort 1747
Orbital period 1,816.60 d · percentile 84 / cohort 1533
Distance 122.91 pc · percentile 39 / cohort 1759
ESI 0.227 · percentile 41 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
1,816.600 days
Semi-major axis
2.7100 AU
Eccentricity
0.120
Inclination
°

Year Length

A year here lasts about 4.97 Earth years on a mildly elliptical path at a mean orbital distance of 2.7100 AU.

Extended Orbital Architecture

RV semi-amplitude (K)

101.810 m/s

Transit mid-time (BJD)

2,455,051.5000

Long. of periastron (ω)

131.00°

Angular separation (arcsec)

22.00000

Eq. Temperature

107K

(-166 °C)

Insolation (S⊕)

0.04

Earth = 1.00

Earth Similarity (ESI)

0.227

0 = alien, 1 = Earth-identical

Beyond the outer HZ boundary (too cold) — any water would exist as deep ice.

Discovery Paper

Primary reference

Grieves et al. 2025

Instrument

Multiple Instruments

Publication

2025-01

Observation locale

Ground

Host System: WASP-132

Spectral Class

K-type orange

Effective Temperature

4,686 K — cooler than the Sun (5,778 K)

Estimated Age

7.20 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.758 R☉

Stellar Mass

0.789 M☉

Metallicity [Fe/H]

0.15

Extended Stellar Properties

Surface gravity (log g)

4.560 dex

Stellar density

2.602 g/cm³

Systemic radial velocity

31.07 km/s

Rotational v·sin i

3.30 km/s

Rotation period

33.00 days

Activity index (log R'HK)

-4.852

Metallicity ratio

[Fe/H]

Distance
122.91 parsec
Light-years 400.88 ly
V-band magnitude
11.94 mag
Voyager-speed travel 7,069,489 yr

Multi-band Host Photometry — 11 bands

8.313.113.14B11.94V11.75Gaia11.11TESS10.26J9.75H9.67K9.56W19.64W29.58W38.28W4

Astrometric Data

Parallax

8.107 mas

Total Proper Motion

74.278 mas/yr

PM Right Ascension

12.56 mas/yr

PM Declination

-73.21 mas/yr

Galactic Cartesian (pc)

x = -0.549 · y = -0.423 · z = -0.721

Equatorial (J2000)

RA 217.60920° · Dec -46.15952°

Galactic ℓ, b

320.272° · 13.352°

Ecliptic λ, β

230.877° · -29.578°

HTM-20 index

-2039524180

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