Confirmed Exoplanet Discovered 2021

OGLE-2019-BLG-1053L b

A super-earth orbiting the unknown OGLE-2019-BLG-1053L, located approximately 22,178.6 light-years from Earth.

Key parameters at a glance

  • A radius of 1.38 Earth radii
  • A mass of 2.48 Earth masses
  • Surface gravity around 1.30 g
  • Semi-major axis 3.4000 AU
  • Distance from Earth 22,178.61 light-years
  • Earth Similarity Index 0.923
  • Travel time at Voyager 1 speed 391,119,730 years

OGLE-2019-BLG-1053L b Planet Profile

Physical Specs

Radius
1.38 R⊕
Radius (Jupiter)
0.123 R♃
Mass
2.48 M⊕
Mass (Jupiter)
0.008 M♃
Density
5.19 g/cm³
Surface Gravity
1.30 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.923
HZ Position Unknown
Controversial No

Discovery

Year 2021
Method Microlensing
Facility KMTNet
Telescope 1.6 m wide-field telescope

Size rank in cohort

Rank by radius

#953of 1176

top 81.0%

This planet

1.38R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth OGLE-2019-BLG-1053L b Jupiter
Radius (R⊕)1.001.3811.21
Mass (M⊕)1.002.48317.83
Density (g/cm³)5.515.191.33
Surface Gravity (g)1.001.302.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 2.480 M⊕ Direct mass measurement (not derived).

Percentile among Super-Earth cohort

Radius 1.380 R⊕ · percentile 18 / cohort 1176
Mass 2.480 M⊕ · percentile 18 / cohort 1176
Distance 6,800.00 pc · percentile 100 / cohort 1171
ESI 0.923 · percentile 98 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
3.4000 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)

0.923

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Zang et al. 2021

Instrument

18k Mosaic CCD camera

Publication

2021-10

Observation locale

Ground

Host System: OGLE-2019-BLG-1053L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.610 M☉

Metallicity [Fe/H]

Distance
6,800.00 parsec
Light-years 22,178.61 ly
V-band magnitude
mag
Voyager-speed travel 391,119,730 yr

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