Confirmed Exoplanet Discovered 2021

OGLE-2019-BLG-0954L b

A gas giant orbiting the unknown OGLE-2019-BLG-0954L, located approximately 11,839.5 light-years from Earth.

Key parameters at a glance

  • A radius of 12.30 Earth radii
  • A mass of 4,513.16 Earth masses
  • Surface gravity around 29.83 g
  • Semi-major axis 2.6500 AU
  • Distance from Earth 11,839.46 light-years
  • Earth Similarity Index 0.336
  • Travel time at Voyager 1 speed 208,788,915 years

OGLE-2019-BLG-0954L b Planet Profile

Physical Specs

Radius
12.30 R⊕
Radius (Jupiter)
1.100 R♃
Mass
4,513.16 M⊕
Mass (Jupiter)
14.200 M♃
Density
13.30 g/cm³
Surface Gravity
29.83 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.336
HZ Position Unknown
Controversial No

Discovery

Year 2021
Method Microlensing
Facility OGLE
Telescope 1.3 m Warsaw University Telescope

Size rank in cohort

Rank by radius

#1349of 1771

top 76.1%

This planet

12.30R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth OGLE-2019-BLG-0954L b Jupiter
Radius (R⊕)1.0012.3011.21
Mass (M⊕)1.004,513.16317.83
Density (g/cm³)5.5113.301.33
Surface Gravity (g)1.0029.832.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 4,513.163 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 12.300 R⊕ · percentile 22 / cohort 1771
Mass 4,513.163 M⊕ · percentile 93 / cohort 1747
Distance 3,630.00 pc · percentile 92 / cohort 1759
ESI 0.336 · percentile 67 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
2.6500 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)

0.336

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Han et al. 2021

Instrument

OGLE CCD Array

Publication

2021-06

Observation locale

Ground

Host System: OGLE-2019-BLG-0954L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.800 M☉

Metallicity [Fe/H]

Distance
3,630.00 parsec
Light-years 11,839.46 ly
V-band magnitude
mag
Voyager-speed travel 208,788,915 yr

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