Confirmed Exoplanet Discovered 2022

OGLE-2018-BLG-1647L b

A gas giant orbiting the unknown OGLE-2018-BLG-1647L, located approximately 25,701.1 light-years from Earth.

Key parameters at a glance

  • A radius of 13.80 Earth radii
  • A mass of 308.29 Earth masses
  • Surface gravity around 1.62 g
  • Semi-major axis 1.3600 AU
  • Distance from Earth 25,701.09 light-years
  • Earth Similarity Index 0.306
  • Travel time at Voyager 1 speed 453,238,746 years

OGLE-2018-BLG-1647L b Planet Profile

Physical Specs

Radius
13.80 R⊕
Radius (Jupiter)
1.230 R♃
Mass
308.29 M⊕
Mass (Jupiter)
0.970 M♃
Density
0.65 g/cm³
Surface Gravity
1.62 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.306
HZ Position Unknown
Controversial No

Discovery

Year 2022
Method Microlensing
Facility KMTNet
Telescope 1.6 m wide-field telescope

Size rank in cohort

Rank by radius

#510of 1771

top 28.7%

This planet

13.80R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth OGLE-2018-BLG-1647L b Jupiter
Radius (R⊕)1.0013.8011.21
Mass (M⊕)1.00308.29317.83
Density (g/cm³)5.510.651.33
Surface Gravity (g)1.001.622.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 308.294 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 13.800 R⊕ · percentile 70 / cohort 1771
Mass 308.294 M⊕ · percentile 34 / cohort 1747
Distance 7,880.00 pc · percentile 100 / cohort 1759
ESI 0.306 · percentile 60 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
1.3600 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)

0.306

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Gould et al. 2022

Instrument

18k Mosaic CCD camera

Publication

2022-08

Observation locale

Ground

Host System: OGLE-2018-BLG-1647L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.092 M☉

Metallicity [Fe/H]

Distance
7,880.00 parsec
Light-years 25,701.09 ly
V-band magnitude
mag
Voyager-speed travel 453,238,746 yr

Similar Worlds

Explore Related Categories