Confirmed Exoplanet Discovered 2022

OGLE-2018-BLG-0799L b

A gas giant orbiting the unknown OGLE-2018-BLG-0799L, located approximately 13,209.3 light-years from Earth.

Key parameters at a glance

  • A radius of 10.90 Earth radii
  • A mass of 82.64 Earth masses
  • Surface gravity around 0.70 g
  • Semi-major axis 1.2800 AU
  • Distance from Earth 13,209.32 light-years
  • Earth Similarity Index 0.289
  • Travel time at Voyager 1 speed 232,946,310 years

OGLE-2018-BLG-0799L b Planet Profile

Physical Specs

Radius
10.90 R⊕
Radius (Jupiter)
0.971 R♃
Mass
82.64 M⊕
Mass (Jupiter)
0.260 M♃
Density
0.35 g/cm³
Surface Gravity
0.70 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.289
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

#1672of 1771

top 94.4%

This planet

10.90R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth OGLE-2018-BLG-0799L b Jupiter
Radius (R⊕)1.0010.9011.21
Mass (M⊕)1.0082.64317.83
Density (g/cm³)5.510.351.33
Surface Gravity (g)1.000.702.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 82.635 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 10.900 R⊕ · percentile 5 / cohort 1771
Mass 82.635 M⊕ · percentile 3 / cohort 1747
Distance 4,050.00 pc · percentile 92 / cohort 1759
ESI 0.289 · percentile 55 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
1.2800 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)

0.289

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Zang et al. 2022

Instrument

OGLE CCD Array

Publication

2022-08

Observation locale

Ground

Host System: OGLE-2018-BLG-0799L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.093 M☉

Metallicity [Fe/H]

Distance
4,050.00 parsec
Light-years 13,209.32 ly
V-band magnitude
mag
Voyager-speed travel 232,946,310 yr

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