Confirmed Exoplanet Discovered 2023

KMT-2019-BLG-1367L b

A super-earth orbiting the unknown KMT-2019-BLG-1367L, located approximately 15,231.5 light-years from Earth.

Key parameters at a glance

  • A radius of 1.85 Earth radii
  • A mass of 4.08 Earth masses
  • Surface gravity around 1.19 g
  • Semi-major axis 1.7000 AU
  • Distance from Earth 15,231.49 light-years
  • Earth Similarity Index 0.814
  • Travel time at Voyager 1 speed 268,607,227 years

KMT-2019-BLG-1367L b Planet Profile

Physical Specs

Radius
1.85 R⊕
Radius (Jupiter)
0.165 R♃
Mass
4.08 M⊕
Mass (Jupiter)
0.013 M♃
Density
3.54 g/cm³
Surface Gravity
1.19 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.814
HZ Position Unknown
Controversial No

Discovery

Year 2023
Method Microlensing
Facility KMTNet
Telescope 1.6 m wide-field telescope

Size rank in cohort

Rank by radius

#189of 1176

top 16.0%

This planet

1.85R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth KMT-2019-BLG-1367L b Jupiter
Radius (R⊕)1.001.8511.21
Mass (M⊕)1.004.08317.83
Density (g/cm³)5.513.541.33
Surface Gravity (g)1.001.192.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 4.080 M⊕ Direct mass measurement (not derived).

Percentile among Super-Earth cohort

Radius 1.850 R⊕ · percentile 83 / cohort 1176
Mass 4.080 M⊕ · percentile 76 / cohort 1176
Distance 4,670.00 pc · percentile 99 / cohort 1171
ESI 0.814 · percentile 90 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
1.7000 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)

0.814

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Zang et al. 2023

Instrument

18k Mosaic CCD camera

Publication

2023-03

Observation locale

Ground

Host System: KMT-2019-BLG-1367L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.250 M☉

Metallicity [Fe/H]

Distance
4,670.00 parsec
Light-years 15,231.49 ly
V-band magnitude
mag
Voyager-speed travel 268,607,227 yr

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