Key parameters at a glance

A radius of 13.00 Earth radii
A mass of 336.00 Earth masses
Surface gravity around 1.99 g
An orbital period of 8.350 days
Semi-major axis 0.0731 AU
Equilibrium temperature 650 K (377 °C)
Distance from Earth 190.02 light-years
Earth Similarity Index 0.221
Travel time at Voyager 1 speed 3,351,028 years
Almost certainly tidally locked to its host star given the close orbit

1 sibling around TOI-1130

TOI-1130 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
TOI-1130 b	Sub-Neptune	3.66	19.80	4.075	825	2020
TOI-1130 c this	Gas Giant	13.00	336.00	8.350	650	2020

TOI-1130 c Planet Profile

Physical Specs

Radius

13.00 R⊕

Radius (Jupiter)

1.160 R♃

Mass

336.00 M⊕

Mass (Jupiter)

1.057 M♃

Density

0.83 g/cm³

Surface Gravity

1.99 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.221

HZ Position Inner

Controversial No

Discovery

Year 2020

Method Transit

Facility Transiting Exoplanet Survey Satellite (TESS)

Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#960of 1771

top 54.2%

This planet

13.00R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HIP 14810 b 13.00 R⊕ HD 47186 c 13.00 R⊕ WASP-107 c 13.00 R⊕

Metric	Earth	TOI-1130 c	Jupiter
Radius (R⊕)	1.00	13.00	11.21
Mass (M⊕)	1.00	336.00	317.83
Density (g/cm³)	5.51	0.83	1.33
Surface Gravity (g)	1.00	1.99	2.53
Insolation (S⊕)	1.00	30.00	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	336.000 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 254113311

Gaia DR2

Gaia DR2 6715688452614516736

Gaia DR3

Gaia DR3 6715688452614516736

System

TOI-1130

Percentile among Gas Giant cohort

Radius 13.000 R⊕ · percentile 43 / cohort 1771

Mass 336.000 M⊕ · percentile 37 / cohort 1747

Orbital period 8.35 d · percentile 43 / cohort 1533

Distance 58.26 pc · percentile 24 / cohort 1759

ESI 0.221 · percentile 41 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

8.350 days

Semi-major axis

0.0731 AU

Eccentricity

0.040

Inclination

87.61 °

Year Length

A year here lasts approximately 8.35 Earth days (2.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0731 AU.

Transit Fingerprint

Depth

1.668 %

Duration

2.020 h

Impact parameter b

-0.941

Rp / R★

0.171000

Transit midpoint (BJD)

2,458,841.6013

Photometric dip

Transit produces a flux drop of 16,680 ppm lasting ≈ 2.02 h.

Extended Orbital Architecture

Planet / star radius ratio

0.171000

Semi-major axis / stellar radius

22.220

Impact parameter (b)

-0.941

RV semi-amplitude (K)

128.590 m/s

Transit mid-time (BJD)

2,458,841.6013

Long. of periastron (ω)

182.50°

Sky-projected obliquity (λ)

4.00°

Angular separation (arcsec)

1.25000

Eq. Temperature

650K

(377 °C)

Insolation (S⊕)

30.00

Earth = 1.00

Earth Similarity (ESI)

0.221

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.

Transit timing variations

Gravitational interactions from neighbours have been detected.

Discovery Paper

Primary reference

Huang et al. 2020

Instrument

TESS CCD Array

Publication

2020-03

Observation locale

Space

Discovery cohort

Planets confirmed in 2020 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-700 d · Rocky Terrestrial TOI-237 b · Super-Earth TOI-700 b · Rocky Terrestrial TOI-1266 c · Super-Earth LTT 3780 c · Sub-Neptune TOI-700 c · Sub-Neptune TOI-776 c · Sub-Neptune TOI-942 c · Neptune-like TOI-776 b · Super-Earth TOI-1266 b · Sub-Neptune TOI-540 b · Rocky Terrestrial LHS 1815 b · Rocky Terrestrial

Host System: TOI-1130

Spectral Class

K-type orange

Effective Temperature

4,360 K — cooler than the Sun (5,778 K)

Estimated Age

5.40 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.697 R☉

Stellar Mass

0.745 M☉

Metallicity [Fe/H]

0.11

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

3.102 g/cm³

Systemic radial velocity

-9.52 km/s

Rotational v·sin i

2.50 km/s

Rotation period

25.60 days

Metallicity ratio

[Fe/H]

Distance

58.26 parsec

Light-years 190.02 ly

V-band magnitude

11.60 mag

Voyager-speed travel 3,351,028 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

17.136 mas

Total Proper Motion

29.932 mas/yr

PM Right Ascension

12.54 mas/yr

PM Declination

-27.18 mas/yr

Galactic Cartesian (pc)

x = 0.211 · y = -0.719 · z = -0.662

Equatorial (J2000)

RA 286.37600° · Dec -41.43764°

Galactic ℓ, b

355.729° · -20.041°

Ecliptic λ, β

282.892° · -18.729°

HTM-20 index

-1742104453

Similar Worlds

WASP-107 c

Gas Giant · K-type orange

Radius 13.00 R⊕ · 211.2 ly

HD 1605 c

Gas Giant · K-type orange

Radius 13.00 R⊕ · 289.6 ly

HD 86950 b

Gas Giant · K-type orange

Radius 13.00 R⊕ · 684.4 ly

HD 174205 b

Gas Giant · K-type orange

Radius 13.00 R⊕ · 763.3 ly

CI Tau c

Gas Giant · K-type orange

Radius 13.00 R⊕ · 515.3 ly

HD 95872 b

Gas Giant · K-type orange

Radius 13.00 R⊕ · 235.5 ly

Explore Related Categories

Gas Giant Planets Transit Discoveries Transiting Exoplanet Survey Satellite (TESS) Mission K-type orange Hosts