Key parameters at a glance

A radius of 9.98 Earth radii
A mass of 390.93 Earth masses
Surface gravity around 3.93 g
An orbital period of 11.551 days
Semi-major axis 0.1012 AU
Equilibrium temperature 833 K (560 °C)
Distance from Earth 561.82 light-years
Earth Similarity Index 0.215
Travel time at Voyager 1 speed 9,907,753 years

WASP-130 b Planet Profile

Physical Specs

Radius

9.98 R⊕

Radius (Jupiter)

0.890 R♃

Mass

390.93 M⊕

Mass (Jupiter)

1.230 M♃

Density

2.34 g/cm³

Surface Gravity

3.93 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.215

HZ Position Inner

Controversial No

Discovery

Year 2016

Method Transit

Facility SuperWASP-South

Telescope Canon 200mm f/1.8L

Size rank in cohort

Rank by radius

#3of 574

top 0.3%

This planet

9.98R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

Lupus-TR-3 b 9.98 R⊕ TOI-2328 b 9.98 R⊕ Kepler-424 b 9.98 R⊕

Metric	Earth	WASP-130 b	Jupiter
Radius (R⊕)	1.00	9.98	11.21
Mass (M⊕)	1.00	390.93	317.83
Density (g/cm³)	5.51	2.34	1.33
Surface Gravity (g)	1.00	3.93	2.53
Insolation (S⊕)	1.00	56.36	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	390.931 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 243200602

Gaia DR2

Gaia DR2 6112606840179716096

Gaia DR3

Gaia DR3 6112606840179716096

System

WASP-130

Percentile among Neptune-like cohort

Radius 9.976 R⊕ · percentile 99 / cohort 574

Mass 390.931 M⊕ · percentile 96 / cohort 574

Orbital period 11.55 d · percentile 39 / cohort 524

Distance 172.26 pc · percentile 36 / cohort 572

ESI 0.215 · percentile 31 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

11.551 days

Semi-major axis

0.1012 AU

Eccentricity

0.000

Inclination

88.66 °

Year Length

A year here lasts approximately 11.55 Earth days (3.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1012 AU.

Transit Fingerprint

Depth

0.916 %

Duration

3.720 h

Impact parameter b

0.530

Rp / R★

0.096100

Transit midpoint (BJD)

2,456,921.1431

Photometric dip

Transit produces a flux drop of 9,160 ppm lasting ≈ 3.72 h.

Extended Orbital Architecture

Planet / star radius ratio

0.096100

Semi-major axis / stellar radius

22.660

Impact parameter (b)

0.530

RV semi-amplitude (K)

108.000 m/s

Transit mid-time (BJD)

2,456,921.1431

Long. of periastron (ω)

90.00°

Angular separation (arcsec)

0.58700

Eq. Temperature

833K

(560 °C)

Insolation (S⊕)

56.36

Earth = 1.00

Earth Similarity (ESI)

0.215

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

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. 2017

Instrument

iKon-L CCD Camera

Publication

2017-03

Observation locale

Ground

Discovery cohort

Planets confirmed in 2016 at SuperWASP-South (11 shown).

WASP-132 b · Gas Giant WASP-129 b · Gas Giant WASP-139 b · Neptune-like WASP-140 b · Gas Giant WASP-141 b · Gas Giant WASP-124 b · Gas Giant WASP-126 b · Gas Giant WASP-119 b · Gas Giant WASP-133 b · Gas Giant WASP-131 b · Gas Giant WASP-142 b · Gas Giant

Host System: WASP-130

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,625 K — cooler than the Sun (5,778 K)

Estimated Age

2.00 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.960 R☉

Stellar Mass

1.040 M☉

Metallicity [Fe/H]

0.26

Extended Stellar Properties

Surface gravity (log g)

4.490 dex

Stellar density

1.660 g/cm³

Systemic radial velocity

1.46 km/s

Rotational v·sin i

0.50 km/s

Metallicity ratio

[Fe/H]

Distance

172.26 parsec

Light-years 561.82 ly

V-band magnitude

11.10 mag

Voyager-speed travel 9,907,753 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

5.777 mas

Total Proper Motion

6.236 mas/yr

PM Right Ascension

6.11 mas/yr

PM Declination

-1.24 mas/yr

Galactic Cartesian (pc)

x = -0.678 · y = -0.289 · z = -0.675

Equatorial (J2000)

RA 203.10602° · Dec -42.47527°

Galactic ℓ, b

310.946° · 19.758°

Ecliptic λ, β

218.213° · -30.293°

HTM-20 index

-59000868