Confirmed Exoplanet Discovered 2019

MOA-bin-29 b

A gas giant orbiting the unknown MOA-bin-29, located approximately 23,222.3 light-years from Earth.

Key parameters at a glance

  • A radius of 14.10 Earth radii
  • A mass of 190.00 Earth masses
  • Surface gravity around 0.96 g
  • Semi-major axis 0.4800 AU
  • Distance from Earth 23,222.31 light-years
  • Earth Similarity Index 0.267
  • Travel time at Voyager 1 speed 409,525,365 years

MOA-bin-29 b Planet Profile

Physical Specs

Radius
14.10 R⊕
Radius (Jupiter)
1.260 R♃
Mass
190.00 M⊕
Mass (Jupiter)
0.600 M♃
Density
0.37 g/cm³
Surface Gravity
0.96 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.267
HZ Position Unknown
Controversial No

Discovery

Year 2019
Method Microlensing
Facility MOA
Telescope 1.8 m MOA Telescope

Size rank in cohort

Rank by radius

#371of 1771

top 20.9%

This planet

14.10R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth MOA-bin-29 b Jupiter
Radius (R⊕)1.0014.1011.21
Mass (M⊕)1.00190.00317.83
Density (g/cm³)5.510.371.33
Surface Gravity (g)1.000.962.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 190.000 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 14.100 R⊕ · percentile 77 / cohort 1771
Mass 190.000 M⊕ · percentile 18 / cohort 1747
Distance 7,120.00 pc · percentile 98 / cohort 1759
ESI 0.267 · percentile 49 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
0.4800 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)

0.267

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Kondo et al. 2019

Instrument

MOA CCD Array

Publication

2019-12

Observation locale

Ground

Host System: MOA-bin-29

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.030 M☉

Metallicity [Fe/H]

Distance
7,120.00 parsec
Light-years 23,222.31 ly
V-band magnitude
44.61 mag
Voyager-speed travel 409,525,365 yr

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