Confirmed Exoplanet Discovered 2022

OGLE-2018-BLG-1119L b

A gas giant orbiting the unknown OGLE-2018-BLG-1119L, located approximately 18,786.6 light-years from Earth.

Key parameters at a glance

  • A radius of 13.90 Earth radii
  • A mass of 289.22 Earth masses
  • Surface gravity around 1.50 g
  • Semi-major axis 4.0600 AU
  • Distance from Earth 18,786.59 light-years
  • Earth Similarity Index 0.300
  • Travel time at Voyager 1 speed 331,301,419 years

OGLE-2018-BLG-1119L b Planet Profile

Physical Specs

Radius
13.90 R⊕
Radius (Jupiter)
1.240 R♃
Mass
289.22 M⊕
Mass (Jupiter)
0.910 M♃
Density
0.59 g/cm³
Surface Gravity
1.50 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.300
HZ Position Unknown
Controversial No

Discovery

Year 2022
Method Microlensing
Facility OGLE
Telescope 1.3 m Warsaw University Telescope

Size rank in cohort

Rank by radius

#456of 1771

top 25.7%

This planet

13.90R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth OGLE-2018-BLG-1119L b Jupiter
Radius (R⊕)1.0013.9011.21
Mass (M⊕)1.00289.22317.83
Density (g/cm³)5.510.591.33
Surface Gravity (g)1.001.502.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 289.224 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 13.900 R⊕ · percentile 72 / cohort 1771
Mass 289.224 M⊕ · percentile 32 / cohort 1747
Distance 5,760.00 pc · percentile 94 / cohort 1759
ESI 0.300 · percentile 58 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
4.0600 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)

0.300

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Jung et al. 2022

Instrument

OGLE CCD Array

Publication

2022-12

Observation locale

Ground

Host System: OGLE-2018-BLG-1119L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.480 M☉

Metallicity [Fe/H]

Distance
5,760.00 parsec
Light-years 18,786.59 ly
V-band magnitude
mag
Voyager-speed travel 331,301,419 yr

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