Confirmed Exoplanet Discovered 2024

MOA-2016-BLG-526L b

A sub-neptune orbiting the unknown MOA-2016-BLG-526L, located approximately 22,602.6 light-years from Earth.

Key parameters at a glance

  • A radius of 3.97 Earth radii
  • A mass of 14.94 Earth masses
  • Surface gravity around 0.95 g
  • Semi-major axis 2.0700 AU
  • Distance from Earth 22,602.61 light-years
  • Earth Similarity Index 0.547
  • Travel time at Voyager 1 speed 398,597,019 years

MOA-2016-BLG-526L b Planet Profile

Physical Specs

Radius
3.97 R⊕
Radius (Jupiter)
0.354 R♃
Mass
14.94 M⊕
Mass (Jupiter)
0.047 M♃
Density
1.31 g/cm³
Surface Gravity
0.95 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.547
HZ Position Unknown
Controversial No

Discovery

Year 2024
Method Microlensing
Facility MOA
Telescope 1.8 m MOA Telescope

Size rank in cohort

Rank by radius

#2of 1978

top 0.1%

This planet

3.97R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Metric Earth MOA-2016-BLG-526L b Jupiter
Radius (R⊕)1.003.9711.21
Mass (M⊕)1.0014.94317.83
Density (g/cm³)5.511.311.33
Surface Gravity (g)1.000.952.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 14.938 M⊕ Direct mass measurement (not derived).

Percentile among Sub-Neptune cohort

Radius 3.970 R⊕ · percentile 100 / cohort 1978
Mass 14.938 M⊕ · percentile 93 / cohort 1978
Distance 6,930.00 pc · percentile 99 / cohort 1975
ESI 0.547 · percentile 76 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
2.0700 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)

0.547

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Shin et al. 2024

Instrument

MOA CCD Array

Publication

2024-06

Observation locale

Ground

Host System: MOA-2016-BLG-526L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.370 M☉

Metallicity [Fe/H]

Distance
6,930.00 parsec
Light-years 22,602.61 ly
V-band magnitude
mag
Voyager-speed travel 398,597,019 yr

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