Confirmed Exoplanet Discovered 2022

KMT-2018-BLG-2602L b

A gas giant orbiting the unknown KMT-2018-BLG-2602L, located approximately 14,057.3 light-years from Earth.

Key parameters at a glance

  • A radius of 13.70 Earth radii
  • A mass of 365.50 Earth masses
  • Surface gravity around 1.95 g
  • Semi-major axis 3.8100 AU
  • Distance from Earth 14,057.32 light-years
  • Earth Similarity Index 0.320
  • Travel time at Voyager 1 speed 247,900,888 years

KMT-2018-BLG-2602L b Planet Profile

Physical Specs

Radius
13.70 R⊕
Radius (Jupiter)
1.220 R♃
Mass
365.50 M⊕
Mass (Jupiter)
1.150 M♃
Density
0.78 g/cm³
Surface Gravity
1.95 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.320
HZ Position Unknown
Controversial No

Discovery

Year 2022
Method Microlensing
Facility KMTNet
Telescope 1.6 m wide-field telescope

Size rank in cohort

Rank by radius

#554of 1771

top 31.2%

This planet

13.70R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth KMT-2018-BLG-2602L b Jupiter
Radius (R⊕)1.0013.7011.21
Mass (M⊕)1.00365.50317.83
Density (g/cm³)5.510.781.33
Surface Gravity (g)1.001.952.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 365.503 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 13.700 R⊕ · percentile 66 / cohort 1771
Mass 365.503 M⊕ · percentile 39 / cohort 1747
Distance 4,310.00 pc · percentile 93 / cohort 1759
ESI 0.320 · percentile 63 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
3.8100 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)

0.320

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Jung et al. 2022

Instrument

18k Mosaic CCD camera

Publication

2022-12

Observation locale

Ground

Host System: KMT-2018-BLG-2602L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.660 M☉

Metallicity [Fe/H]

Distance
4,310.00 parsec
Light-years 14,057.32 ly
V-band magnitude
mag
Voyager-speed travel 247,900,888 yr

Similar Worlds

Explore Related Categories