Confirmed Exoplanet Discovered 2022

MOA-2019-BLG-008L b

A gas giant orbiting the unknown MOA-2019-BLG-008L, located approximately 8,806.2 light-years from Earth.

Key parameters at a glance

  • A radius of 12.20 Earth radii
  • A mass of 5,720.91 Earth masses
  • Surface gravity around 38.44 g
  • Distance from Earth 8,806.21 light-years
  • Earth Similarity Index 0.306
  • Travel time at Voyager 1 speed 155,297,540 years

MOA-2019-BLG-008L b Planet Profile

Physical Specs

Radius
12.20 R⊕
Radius (Jupiter)
1.080 R♃
Mass
5,720.91 M⊕
Mass (Jupiter)
18.000 M♃
Density
17.30 g/cm³
Surface Gravity
38.44 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.306
HZ Position Unknown
Controversial No

Discovery

Year 2022
Method Microlensing
Facility MOA
Telescope 1.8 m MOA Telescope

Size rank in cohort

Rank by radius

#1410of 1771

top 79.6%

This planet

12.20R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth MOA-2019-BLG-008L b Jupiter
Radius (R⊕)1.0012.2011.21
Mass (M⊕)1.005,720.91317.83
Density (g/cm³)5.5117.301.33
Surface Gravity (g)1.0038.442.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 5,720.911 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 12.200 R⊕ · percentile 19 / cohort 1771
Mass 5,720.911 M⊕ · percentile 95 / cohort 1747
Distance 2,700.00 pc · percentile 91 / cohort 1759
ESI 0.306 · percentile 60 / cohort 1771

Orbit & Habitability

Eq. Temperature

 

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.306

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Bachelet et al. 2022

Instrument

MOA CCD Array

Publication

2022-09

Observation locale

Ground

Host System: MOA-2019-BLG-008L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.900 M☉

Metallicity [Fe/H]

Distance
2,700.00 parsec
Light-years 8,806.21 ly
V-band magnitude
mag
Voyager-speed travel 155,297,540 yr

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