Confirmed Exoplanet Discovered 2023

KMT-2016-BLG-1105L b

A super-earth orbiting the unknown KMT-2016-BLG-1105L, located approximately 16,568.7 light-years from Earth.

Key parameters at a glance

  • A radius of 1.33 Earth radii
  • A mass of 2.32 Earth masses
  • Surface gravity around 1.31 g
  • Semi-major axis 2.4400 AU
  • Distance from Earth 16,568.72 light-years
  • Earth Similarity Index 0.936
  • Travel time at Voyager 1 speed 292,189,446 years

KMT-2016-BLG-1105L b Planet Profile

Physical Specs

Radius
1.33 R⊕
Radius (Jupiter)
0.118 R♃
Mass
2.32 M⊕
Mass (Jupiter)
0.007 M♃
Density
5.42 g/cm³
Surface Gravity
1.31 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.936
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

#1022of 1176

top 86.8%

This planet

1.33R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth KMT-2016-BLG-1105L b Jupiter
Radius (R⊕)1.001.3311.21
Mass (M⊕)1.002.32317.83
Density (g/cm³)5.515.421.33
Surface Gravity (g)1.001.312.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 2.320 M⊕ Direct mass measurement (not derived).

Percentile among Super-Earth cohort

Radius 1.330 R⊕ · percentile 11 / cohort 1176
Mass 2.320 M⊕ · percentile 11 / cohort 1176
Distance 5,080.00 pc · percentile 99 / cohort 1171
ESI 0.936 · percentile 99 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
2.4400 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)

0.936

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-2016-BLG-1105L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.410 M☉

Metallicity [Fe/H]

Distance
5,080.00 parsec
Light-years 16,568.72 ly
V-band magnitude
mag
Voyager-speed travel 292,189,446 yr

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