Key parameters at a glance

A radius of 10.70 Earth radii
A mass of 153.83 Earth masses
Surface gravity around 1.34 g
An orbital period of 5.209 days
Semi-major axis 0.0603 AU
Distance from Earth 2,498.95 light-years
Earth Similarity Index 0.341
Travel time at Voyager 1 speed 44,069,013 years

CoRoT-28 b Planet Profile

Physical Specs

Radius

10.70 R⊕

Radius (Jupiter)

0.955 R♃

Mass

153.83 M⊕

Mass (Jupiter)

0.484 M♃

Density

0.69 g/cm³

Surface Gravity

1.34 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.341

HZ Position Unknown

Controversial No

Discovery

Year 2015

Method Transit

Facility CoRoT

Telescope 0.27 m CoRoT Telescope

Size rank in cohort

Rank by radius

#1706of 1771

top 96.3%

This planet

10.70R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

OGLE-2007-BLG-349L AB c 10.70 R⊕ Kepler-975 c 10.69 R⊕ WASP-84 b 10.72 R⊕

Metric	Earth	CoRoT-28 b	Jupiter
Radius (R⊕)	1.00	10.70	11.21
Mass (M⊕)	1.00	153.83	317.83
Density (g/cm³)	5.51	0.69	1.33
Surface Gravity (g)	1.00	1.34	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	153.830 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 106352250

Gaia DR2

Gaia DR2 4284680029006075648

Gaia DR3

Gaia DR3 4284680029006075648

System

CoRoT-28

Percentile among Gas Giant cohort

Radius 10.705 R⊕ · percentile 4 / cohort 1771

Mass 153.830 M⊕ · percentile 12 / cohort 1747

Orbital period 5.21 d · percentile 37 / cohort 1533

Distance 766.18 pc · percentile 83 / cohort 1759

ESI 0.341 · percentile 68 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

5.209 days

Semi-major axis

0.0603 AU

Eccentricity

0.047

Inclination

88.10 °

Year Length

A year here lasts approximately 5.21 Earth days (1.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0603 AU.

Transit Fingerprint

Duration

5.700 h

Impact parameter b

0.240

Rp / R★

0.055100

Transit midpoint (BJD)

2,455,755.8466

Extended Orbital Architecture

Planet / star radius ratio

0.055100

Semi-major axis / stellar radius

7.290

Impact parameter (b)

0.240

RV semi-amplitude (K)

56.400 m/s

Transit mid-time (BJD)

2,455,755.8466

Long. of periastron (ω)

126.00°

Angular separation (arcsec)

0.07870

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.341

0 = alien, 1 = Earth-identical

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

Cabrera et al. 2015

Instrument

CoRoT CCD Array

Publication

2015-07

Observation locale

Space

Host System: CoRoT-28

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,150 K — cooler than the Sun (5,778 K)

Estimated Age

12.00 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.780 R☉

Stellar Mass

1.010 M☉

Metallicity [Fe/H]

0.15

Extended Stellar Properties

Surface gravity (log g)

3.600 dex

Stellar density

0.270 g/cm³

Rotational v·sin i

3.00 km/s

Metallicity ratio

[Fe/H]

Distance

766.18 parsec

Light-years 2,498.95 ly

V-band magnitude

13.78 mag

Voyager-speed travel 44,069,013 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

1.277 mas

Total Proper Motion

8.910 mas/yr

PM Right Ascension

-5.92 mas/yr

PM Declination

-6.66 mas/yr

Galactic Cartesian (pc)

x = 0.150 · y = -0.984 · z = 0.097

Equatorial (J2000)

RA 278.68832° · Dec 5.57369°

Galactic ℓ, b

36.013° · 6.241°

Ecliptic λ, β

279.867° · 28.716°

HTM-20 index

-1071207987