Confirmed Exoplanet Discovered 2021

OGLE-2019-BLG-0299L b

A gas giant orbiting the unknown OGLE-2019-BLG-0299L, located approximately 19,014.9 light-years from Earth.

Key parameters at a glance

  • A radius of 12.70 Earth radii
  • A mass of 1,976.89 Earth masses
  • Surface gravity around 12.26 g
  • Semi-major axis 2.8000 AU
  • Distance from Earth 19,014.89 light-years
  • Earth Similarity Index 0.441
  • Travel time at Voyager 1 speed 335,327,651 years

OGLE-2019-BLG-0299L b Planet Profile

Physical Specs

Radius
12.70 R⊕
Radius (Jupiter)
1.140 R♃
Mass
1,976.89 M⊕
Mass (Jupiter)
6.220 M♃
Density
5.30 g/cm³
Surface Gravity
12.26 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.441
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

#1130of 1771

top 63.7%

This planet

12.70R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth OGLE-2019-BLG-0299L b Jupiter
Radius (R⊕)1.0012.7011.21
Mass (M⊕)1.001,976.89317.83
Density (g/cm³)5.515.301.33
Surface Gravity (g)1.0012.262.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 1,976.893 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 12.700 R⊕ · percentile 34 / cohort 1771
Mass 1,976.893 M⊕ · percentile 80 / cohort 1747
Distance 5,830.00 pc · percentile 94 / cohort 1759
ESI 0.441 · percentile 98 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
2.8000 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)

0.441

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Han et al. 2021

Instrument

OGLE CCD Array

Publication

2021-11

Observation locale

Ground

Host System: OGLE-2019-BLG-0299L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.590 M☉

Metallicity [Fe/H]

Distance
5,830.00 parsec
Light-years 19,014.89 ly
V-band magnitude
mag
Voyager-speed travel 335,327,651 yr

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