Confirmed Exoplanet Discovered 2005

OGLE-2005-BLG-071L b

A gas giant orbiting the unknown OGLE-2005-BLG-071L, located approximately 10,437.0 light-years from Earth.

Key parameters at a glance

  • A radius of 13.00 Earth radii
  • A mass of 1,200.00 Earth masses
  • Surface gravity around 7.10 g
  • Semi-major axis 3.6000 AU
  • Equilibrium temperature 55 K (-218 °C)
  • Distance from Earth 10,436.99 light-years
  • Earth Similarity Index 0.105
  • Travel time at Voyager 1 speed 184,056,344 years

OGLE-2005-BLG-071L b Planet Profile

Physical Specs

Radius
13.00 R⊕
Radius (Jupiter)
1.160 R♃
Mass
1,200.00 M⊕
Mass (Jupiter)
3.800 M♃
Density
3.00 g/cm³
Surface Gravity
7.10 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.105
HZ Position Unknown
Controversial No

Discovery

Year 2005
Method Microlensing
Facility OGLE
Telescope 1.3 m Warsaw University Telescope

Size rank in cohort

Rank by radius

#960of 1771

top 54.2%

This planet

13.00R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth OGLE-2005-BLG-071L b Jupiter
Radius (R⊕)1.0013.0011.21
Mass (M⊕)1.001,200.00317.83
Density (g/cm³)5.513.001.33
Surface Gravity (g)1.007.102.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 1,200.000 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 13.000 R⊕ · percentile 43 / cohort 1771
Mass 1,200.000 M⊕ · percentile 71 / cohort 1747
Distance 3,200.00 pc · percentile 91 / cohort 1759
ESI 0.105 · percentile 28 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
3.6000 AU
Eccentricity
Inclination
°

Year Length

Orbital period for this planet has not yet been measured.

Eq. Temperature

55K

(-218 °C)

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.105

0 = alien, 1 = Earth-identical

Insufficient insolation data — any water would exist as deep ice.

Discovery Paper

Primary reference

Udalski et al. 2005

Instrument

OGLE CCD Array

Publication

2005-08

Observation locale

Ground

Host System: OGLE-2005-BLG-071L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.460 M☉

Metallicity [Fe/H]

Distance
3,200.00 parsec
Light-years 10,436.99 ly
V-band magnitude
mag
Voyager-speed travel 184,056,344 yr

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