Key parameters at a glance

A radius of 11.32 Earth radii
A mass of 6,883.91 Earth masses
Surface gravity around 53.72 g
An orbital period of 4.257 days
Semi-major axis 0.0578 AU
Equilibrium temperature 1,695 K (1422 °C)
Distance from Earth 2,507.39 light-years
Earth Similarity Index 0.066
Travel time at Voyager 1 speed 44,217,869 years

CoRoT-3 b Planet Profile

Physical Specs

Radius

11.32 R⊕

Radius (Jupiter)

1.010 R♃

Mass

6,883.91 M⊕

Mass (Jupiter)

21.660 M♃

Density

26.40 g/cm³

Surface Gravity

53.72 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.066

HZ Position Unknown

Controversial No

Discovery

Year 2008

Method Transit

Facility CoRoT

Telescope 0.27 m CoRoT Telescope

Size rank in cohort

Rank by radius

#1613of 1771

top 91.0%

This planet

11.32R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

TOI-3714 b 11.32 R⊕ TOI-2180 b 11.32 R⊕ CoRoT-30 b 11.31 R⊕

Metric	Earth	CoRoT-3 b	Jupiter
Radius (R⊕)	1.00	11.32	11.21
Mass (M⊕)	1.00	6,883.91	317.83
Density (g/cm³)	5.51	26.40	1.33
Surface Gravity (g)	1.00	53.72	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	6,883.910 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 392353449

Gaia DR2

Gaia DR2 4263427117767106816

Gaia DR3

Gaia DR3 4263427117767106816

System

CoRoT-3

Percentile among Gas Giant cohort

Radius 11.320 R⊕ · percentile 9 / cohort 1771

Mass 6,883.910 M⊕ · percentile 98 / cohort 1747

Orbital period 4.26 d · percentile 32 / cohort 1533

Distance 768.77 pc · percentile 83 / cohort 1759

ESI 0.066 · percentile 11 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

4.257 days

Semi-major axis

0.0578 AU

Eccentricity

0.000

Inclination

85.90 °

Year Length

A year here lasts approximately 4.26 Earth days (1.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0578 AU.

Transit Fingerprint

Depth

0.440 %

Duration

3.384 h

Impact parameter b

0.550

Rp / R★

0.066300

Transit midpoint (BJD)

2,454,283.1383

Photometric dip

Transit produces a flux drop of 4,398 ppm lasting ≈ 3.38 h.

Extended Orbital Architecture

Planet / star radius ratio

0.066300

Semi-major axis / stellar radius

7.800

Impact parameter (b)

0.550

RV semi-amplitude (K)

2,173.000 m/s

Transit mid-time (BJD)

2,454,283.1383

Sky-projected obliquity (λ)

-37.60°

Angular separation (arcsec)

0.07520

Eq. Temperature

1,695K

(1422 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.066

0 = alien, 1 = Earth-identical

Insufficient insolation data — 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

Deleuil et al. 2008

Instrument

CoRoT CCD Array

Publication

2008-12

Observation locale

Space

Discovery cohort

Planets confirmed in 2008 at CoRoT (3 shown).

CoRoT-4 b · Gas Giant CoRoT-2 b · Gas Giant CoRoT-1 b · Gas Giant

Host System: CoRoT-3

Spectral Class

F-type yellow-white

Effective Temperature

6,740 K — hotter than the Sun (5,778 K)

Estimated Age

2.20 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.560 R☉

Stellar Mass

1.370 M☉

Metallicity [Fe/H]

0.14

Extended Stellar Properties

Surface gravity (log g)

4.220 dex

Stellar density

0.431 g/cm³

Systemic radial velocity

-56.16 km/s

Rotational v·sin i

17.00 km/s

Metallicity ratio

[Fe/H]

Distance

768.77 parsec

Light-years 2,507.39 ly

V-band magnitude

13.45 mag

Voyager-speed travel 44,217,869 yr

Multi-band Host Photometry — 13 bands

Astrometric Data

Parallax

1.275 mas

Total Proper Motion

3.509 mas/yr

PM Right Ascension

3.49 mas/yr

PM Declination

-0.33 mas/yr

Galactic Cartesian (pc)

x = 0.376 · y = -0.927 · z = 0.002

Equatorial (J2000)

RA 292.05528° · Dec 0.12184°

Galactic ℓ, b

37.263° · -8.121°

Ecliptic λ, β

293.843° · 21.754°

HTM-20 index

57135838