Confirmed Exoplanet Discovered 2013

MOA-2008-BLG-379L b

A gas giant orbiting the k-type orange MOA-2008-BLG-379L, located approximately 10,763.1 light-years from Earth.

Key parameters at a glance

  • A radius of 13.00 Earth radii
  • A mass of 1,300.00 Earth masses
  • Surface gravity around 7.69 g
  • Semi-major axis 2.7000 AU
  • Distance from Earth 10,763.15 light-years
  • Earth Similarity Index 0.417
  • Travel time at Voyager 1 speed 189,808,104 years

MOA-2008-BLG-379L b Planet Profile

Physical Specs

Radius
13.00 R⊕
Radius (Jupiter)
1.160 R♃
Mass
1,300.00 M⊕
Mass (Jupiter)
4.100 M♃
Density
3.25 g/cm³
Surface Gravity
7.69 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.417
HZ Position Unknown
Controversial No

Discovery

Year 2013
Method Microlensing
Facility MOA
Telescope 1.8 m MOA Telescope

Size rank in cohort

Rank by radius

#960of 1771

top 54.2%

This planet

13.00R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth MOA-2008-BLG-379L b Jupiter
Radius (R⊕)1.0013.0011.21
Mass (M⊕)1.001,300.00317.83
Density (g/cm³)5.513.251.33
Surface Gravity (g)1.007.692.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 1,300.000 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 13.000 R⊕ · percentile 43 / cohort 1771
Mass 1,300.000 M⊕ · percentile 72 / cohort 1747
Distance 3,300.00 pc · percentile 91 / cohort 1759
ESI 0.417 · percentile 91 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
2.7000 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)

0.417

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Suzuki et al. 2014

Instrument

MOA CCD Array

Publication

2014-01

Observation locale

Ground

Discovery cohort

Planets confirmed in 2013 at MOA (2 shown).

Host System: MOA-2008-BLG-379L

Spectral Class

K-type orange

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.560 M☉

Metallicity [Fe/H]

Distance
3,300.00 parsec
Light-years 10,763.15 ly
V-band magnitude
mag
Voyager-speed travel 189,808,104 yr

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