Confirmed Exoplanet Discovered 2010

CoRoT-11 b

A gas giant orbiting the f-type yellow-white CoRoT-11, located approximately 2,136.4 light-years from Earth.

Key parameters at a glance

  • A radius of 16.03 Earth radii
  • A mass of 740.51 Earth masses
  • Surface gravity around 2.88 g
  • An orbital period of 2.994 days
  • Semi-major axis 0.0436 AU
  • Equilibrium temperature 1,657 K (1384 °C)
  • Distance from Earth 2,136.44 light-years
  • Earth Similarity Index 0.077
  • Travel time at Voyager 1 speed 37,676,161 years

CoRoT-11 b Planet Profile

Physical Specs

Radius
16.03 R⊕
Radius (Jupiter)
1.430 R♃
Mass
740.51 M⊕
Mass (Jupiter)
2.330 M♃
Density
0.99 g/cm³
Surface Gravity
2.88 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.077
HZ Position Inner
Controversial No

Discovery

Year 2010
Method Transit
Facility CoRoT
Telescope 0.27 m CoRoT Telescope

Size rank in cohort

Rank by radius

#157of 1771

top 8.8%

This planet

16.03R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth CoRoT-11 b Jupiter
Radius (R⊕)1.0016.0311.21
Mass (M⊕)1.00740.51317.83
Density (g/cm³)5.510.991.33
Surface Gravity (g)1.002.882.53
Insolation (S⊕)1.001,890.650.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 740.510 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 110178537

Gaia DR2

Gaia DR2 4285511294172309504

Gaia DR3

Gaia DR3 4285511294172309504

System

CoRoT-11

Percentile among Gas Giant cohort

Radius 16.030 R⊕ · percentile 91 / cohort 1771
Mass 740.510 M⊕ · percentile 59 / cohort 1747
Orbital period 2.99 d · percentile 16 / cohort 1533
Distance 655.04 pc · percentile 80 / cohort 1759
ESI 0.077 · percentile 17 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
2.994 days
Semi-major axis
0.0436 AU
Eccentricity
0.000
Inclination
83.17 °

Year Length

A year here lasts approximately 2.99 Earth days (0.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0436 AU.

Transit Fingerprint

Depth

1.145 %

Duration

2.501 h

Impact parameter b

0.818

Rp / R★

0.107000

Transit midpoint (BJD)

2,454,597.6790

Photometric dip

Transit produces a flux drop of 11,449 ppm lasting ≈ 2.50 h.

Extended Orbital Architecture

Planet / star radius ratio

0.107000

Semi-major axis / stellar radius

6.890

Impact parameter (b)

0.818

RV semi-amplitude (K)

280.000 m/s

Transit mid-time (BJD)

2,454,597.6790

Sky-projected obliquity (λ)

0.10°

Angular separation (arcsec)

0.06660

Eq. Temperature

1,657K

(1384 °C)

Insolation (S⊕)

1,890.65

Earth = 1.00

Earth Similarity (ESI)

0.077

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

Gandolfi et al. 2010

Instrument

CoRoT CCD Array

Publication

2010-12

Observation locale

Space

Host System: CoRoT-11

Spectral Class

F-type yellow-white

Effective Temperature

6,440 K — hotter than the Sun (5,778 K)

Estimated Age

2.00 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.370 R☉

Stellar Mass

1.270 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.220 dex

Stellar density

0.690 g/cm³

Systemic radial velocity

-1.34 km/s

Rotational v·sin i

40.00 km/s

Metallicity ratio

[Fe/H]

Distance
655.04 parsec
Light-years 2,136.44 ly
V-band magnitude
12.90 mag
Voyager-speed travel 37,676,161 yr

Multi-band Host Photometry — 13 bands

9.213.513.53B12.90V12.84Gaia12.42TESS12.64Sloan r12.28Sloan i11.59J11.42H11.25K11.17W111.27W211.47W39.20W4

Astrometric Data

Parallax

1.501 mas

Total Proper Motion

5.582 mas/yr

PM Right Ascension

1.92 mas/yr

PM Declination

-5.24 mas/yr

Galactic Cartesian (pc)

x = 0.184 · y = -0.977 · z = 0.103

Equatorial (J2000)

RA 280.68730° · Dec 5.93766°

Galactic ℓ, b

37.240° · 4.630°

Ecliptic λ, β

282.162° · 28.927°

HTM-20 index

1307336392

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