Confirmed Exoplanet Discovered 2018

OGLE-2013-BLG-1761L b

A gas giant orbiting the unknown OGLE-2013-BLG-1761L, located approximately 22,504.8 light-years from Earth.

Key parameters at a glance

  • A radius of 13.20 Earth radii
  • A mass of 860.00 Earth masses
  • Surface gravity around 4.94 g
  • Semi-major axis 1.8000 AU
  • Distance from Earth 22,504.76 light-years
  • Earth Similarity Index 0.389
  • Travel time at Voyager 1 speed 396,871,491 years

OGLE-2013-BLG-1761L b Planet Profile

Physical Specs

Radius
13.20 R⊕
Radius (Jupiter)
1.180 R♃
Mass
860.00 M⊕
Mass (Jupiter)
2.700 M♃
Density
2.05 g/cm³
Surface Gravity
4.94 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.389
HZ Position Unknown
Controversial No

Discovery

Year 2018
Method Microlensing
Facility OGLE
Telescope 1.3 m Warsaw University Telescope

Size rank in cohort

Rank by radius

#847of 1771

top 47.8%

This planet

13.20R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth OGLE-2013-BLG-1761L b Jupiter
Radius (R⊕)1.0013.2011.21
Mass (M⊕)1.00860.00317.83
Density (g/cm³)5.512.051.33
Surface Gravity (g)1.004.942.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 860.000 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 13.200 R⊕ · percentile 49 / cohort 1771
Mass 860.000 M⊕ · percentile 63 / cohort 1747
Distance 6,900.00 pc · percentile 97 / cohort 1759
ESI 0.389 · percentile 82 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
1.8000 AU
Eccentricity
Inclination
°

Year Length

Orbital period for this planet has not yet been measured.

Eq. Temperature

 

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.389

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Hirao et al. 2017

Instrument

OGLE CCD Array

Publication

2017-07

Observation locale

Ground

Host System: OGLE-2013-BLG-1761L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.330 M☉

Metallicity [Fe/H]

Distance
6,900.00 parsec
Light-years 22,504.76 ly
V-band magnitude
mag
Voyager-speed travel 396,871,491 yr

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