Confirmed Exoplanet Discovered 2022

OGLE-2018-BLG-0506L b

A neptune-like orbiting the unknown OGLE-2018-BLG-0506L, located approximately 18,264.7 light-years from Earth.

Key parameters at a glance

  • A radius of 4.18 Earth radii
  • A mass of 16.30 Earth masses
  • Surface gravity around 0.93 g
  • Semi-major axis 3.0000 AU
  • Distance from Earth 18,264.74 light-years
  • Earth Similarity Index 0.531
  • Travel time at Voyager 1 speed 322,098,601 years

OGLE-2018-BLG-0506L b Planet Profile

Physical Specs

Radius
4.18 R⊕
Radius (Jupiter)
0.373 R♃
Mass
16.30 M⊕
Mass (Jupiter)
0.051 M♃
Density
1.23 g/cm³
Surface Gravity
0.93 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.531
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

#524of 574

top 91.1%

This planet

4.18R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

Metric Earth OGLE-2018-BLG-0506L b Jupiter
Radius (R⊕)1.004.1811.21
Mass (M⊕)1.0016.30317.83
Density (g/cm³)5.511.231.33
Surface Gravity (g)1.000.932.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 16.300 M⊕ Direct mass measurement (not derived).

Percentile among Neptune-like cohort

Radius 4.180 R⊕ · percentile 9 / cohort 574
Mass 16.300 M⊕ · percentile 14 / cohort 574
Distance 5,600.00 pc · percentile 93 / cohort 572
ESI 0.531 · percentile 96 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
3.0000 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)

0.531

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Hwang et al. 2022

Instrument

OGLE CCD Array

Publication

2022-02

Observation locale

Ground

Host System: OGLE-2018-BLG-0506L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.630 M☉

Metallicity [Fe/H]

Distance
5,600.00 parsec
Light-years 18,264.74 ly
V-band magnitude
mag
Voyager-speed travel 322,098,601 yr

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