Confirmed Exoplanet Discovered 2004

OGLE-TR-10 b

A gas giant orbiting the g-type yellow (sun-like) OGLE-TR-10, located approximately 4,386.7 light-years from Earth.

Key parameters at a glance

  • A radius of 14.01 Earth radii
  • A mass of 197.05 Earth masses
  • Surface gravity around 1.00 g
  • An orbital period of 3.101 days
  • Semi-major axis 0.0434 AU
  • Equilibrium temperature 1,702 K (1429 °C)
  • Distance from Earth 4,386.70 light-years
  • Earth Similarity Index 0.067
  • Travel time at Voyager 1 speed 77,359,456 years

OGLE-TR-10 b Planet Profile

Physical Specs

Radius
14.01 R⊕
Radius (Jupiter)
1.250 R♃
Mass
197.05 M⊕
Mass (Jupiter)
0.620 M♃
Density
0.40 g/cm³
Surface Gravity
1.00 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.067
HZ Position Unknown
Controversial No

Discovery

Year 2004
Method Transit
Facility OGLE
Telescope 1.3 m Warsaw University Telescope

Size rank in cohort

Rank by radius

#413of 1771

top 23.3%

This planet

14.01R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth OGLE-TR-10 b Jupiter
Radius (R⊕)1.0014.0111.21
Mass (M⊕)1.00197.05317.83
Density (g/cm³)5.510.401.33
Surface Gravity (g)1.001.002.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 197.046 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 130150682

Gaia DR2

Gaia DR2 4056443366649948160

Gaia DR3

Gaia DR3 4056443366649948160

System

OGLE-TR-10

Percentile among Gas Giant cohort

Radius 14.011 R⊕ · percentile 77 / cohort 1771
Mass 197.046 M⊕ · percentile 19 / cohort 1747
Orbital period 3.10 d · percentile 17 / cohort 1533
Distance 1,344.97 pc · percentile 89 / cohort 1759
ESI 0.067 · percentile 12 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
3.101 days
Semi-major axis
0.0434 AU
Eccentricity
0.000
Inclination
90.00 °

Year Length

A year here lasts approximately 3.10 Earth days (0.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0434 AU.

Transit Fingerprint

Depth

1.210 %

Duration

3.072 h

Impact parameter b

0.280

Rp / R★

0.110000

Transit midpoint (BJD)

2,454,262.8182

Photometric dip

Transit produces a flux drop of 12,100 ppm lasting ≈ 3.07 h.

Extended Orbital Architecture

Planet / star radius ratio

0.110000

Semi-major axis / stellar radius

6.369

Impact parameter (b)

0.280

RV semi-amplitude (K)

80.000 m/s

Transit mid-time (BJD)

2,454,262.8182

Angular separation (arcsec)

0.03230

Eq. Temperature

1,702K

(1429 °C)

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.067

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

Konacki et al. 2005

Instrument

OGLE CCD Array

Publication

2005-05

Observation locale

Ground

Host System: OGLE-TR-10

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,950 K — hotter than the Sun (5,778 K)

Estimated Age

3.10 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.170 R☉

Stellar Mass

1.140 M☉

Metallicity [Fe/H]

0.28

Extended Stellar Properties

Surface gravity (log g)

4.358 dex

Stellar density

0.509 g/cm³

Systemic radial velocity

-6.25 km/s

Rotational v·sin i

7.70 km/s

Metallicity ratio

[Fe/H]

Distance
1,344.97 parsec
Light-years 4,386.70 ly
V-band magnitude
16.01 mag
Voyager-speed travel 77,359,456 yr

Multi-band Host Photometry — 7 bands

12.919.319.33B16.01V15.68Gaia14.95TESS13.69J13.31H12.86K

Astrometric Data

Parallax

0.721 mas

Total Proper Motion

5.185 mas/yr

PM Right Ascension

0.50 mas/yr

PM Declination

-5.16 mas/yr

Galactic Cartesian (pc)

x = -0.032 · y = -0.867 · z = -0.498

Equatorial (J2000)

RA 267.86775° · Dec -29.87648°

Galactic ℓ, b

359.851° · -1.577°

Ecliptic λ, β

268.136° · -6.451°

HTM-20 index

-141742053

Observation Record

Photometric series

15

RV measurements

4

Archive notes

3

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