Key parameters at a glance

A radius of 11.29 Earth radii
A mass of 3,302.11 Earth masses
Surface gravity around 25.92 g
An orbital period of 3.575 days
Semi-major axis 0.0476 AU
Equilibrium temperature 1,500 K (1227 °C)
Distance from Earth 3,295.09 light-years
Earth Similarity Index 0.095
Travel time at Voyager 1 speed 58,108,888 years

CoRoT-27 b Planet Profile

Physical Specs

Radius

11.29 R⊕

Radius (Jupiter)

1.007 R♃

Mass

3,302.11 M⊕

Mass (Jupiter)

10.390 M♃

Density

12.60 g/cm³

Surface Gravity

25.92 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.095

HZ Position Unknown

Controversial No

Discovery

Year 2014

Method Transit

Facility CoRoT

Telescope 0.27 m CoRoT Telescope

Size rank in cohort

Rank by radius

#1620of 1771

top 91.4%

This planet

11.29R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

TOI-6383 A b 11.29 R⊕ K2-290 c 11.28 R⊕ HAT-P-19 b 11.30 R⊕

Metric	Earth	CoRoT-27 b	Jupiter
Radius (R⊕)	1.00	11.29	11.21
Mass (M⊕)	1.00	3,302.11	317.83
Density (g/cm³)	5.51	12.60	1.33
Surface Gravity (g)	1.00	25.92	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	3,302.110 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 416136788

Gaia DR2

Gaia DR2 4284721191974346752

Gaia DR3

Gaia DR3 4284721191974346752

System

CoRoT-27

Percentile among Gas Giant cohort

Radius 11.287 R⊕ · percentile 9 / cohort 1771

Mass 3,302.110 M⊕ · percentile 88 / cohort 1747

Orbital period 3.58 d · percentile 24 / cohort 1533

Distance 1,010.28 pc · percentile 86 / cohort 1759

ESI 0.095 · percentile 25 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

3.575 days

Semi-major axis

0.0476 AU

Eccentricity

0.065

Inclination

86.70 °

Year Length

A year here lasts approximately 3.58 Earth days (1.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0476 AU.

Transit Fingerprint

Duration

2.770 h

Impact parameter b

0.540

Rp / R★

0.099000

Transit midpoint (BJD)

2,455,748.6840

Extended Orbital Architecture

Planet / star radius ratio

0.099000

Semi-major axis / stellar radius

9.480

Impact parameter (b)

0.540

RV semi-amplitude (K)

1,326.000 m/s

Transit mid-time (BJD)

2,455,748.6840

Angular separation (arcsec)

0.04710

Eq. Temperature

1,500K

(1227 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.095

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

Parviainen et al. 2014

Instrument

CoRoT CCD Array

Publication

2014-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2014 at CoRoT (3 shown).

CoRoT-24 c · Neptune-like CoRoT-24 b · Sub-Neptune CoRoT-22 b · Neptune-like

Host System: CoRoT-27

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,900 K — hotter than the Sun (5,778 K)

Estimated Age

4.21 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.080 R☉

Stellar Mass

1.050 M☉

Metallicity [Fe/H]

-0.10

Extended Stellar Properties

Surface gravity (log g)

4.400 dex

Stellar density

1.240 g/cm³

Systemic radial velocity

-4.09 km/s

Rotational v·sin i

4.00 km/s

Metallicity ratio

[M/H]

Distance

1,010.28 parsec

Light-years 3,295.09 ly

V-band magnitude

15.77 mag

Voyager-speed travel 58,108,888 yr

Multi-band Host Photometry — 12 bands

Astrometric Data

Parallax

0.966 mas

Total Proper Motion

9.771 mas/yr

PM Right Ascension

0.33 mas/yr

PM Declination

-9.77 mas/yr

Galactic Cartesian (pc)

x = 0.147 · y = -0.984 · z = 0.097

Equatorial (J2000)

RA 278.49583° · Dec 5.53838°

Galactic ℓ, b

35.895° · 6.396°

Ecliptic λ, β

279.646° · 28.694°

HTM-20 index

-1596254859