Confirmed Exoplanet Discovered 2019

OGLE-2015-BLG-1649L b

A gas giant orbiting the unknown OGLE-2015-BLG-1649L, located approximately 13,796.4 light-years from Earth.

Key parameters at a glance

  • A radius of 13.20 Earth radii
  • A mass of 807.00 Earth masses
  • Surface gravity around 4.63 g
  • Semi-major axis 2.0700 AU
  • Distance from Earth 13,796.40 light-years
  • Earth Similarity Index 0.386
  • Travel time at Voyager 1 speed 243,299,479 years

OGLE-2015-BLG-1649L b Planet Profile

Physical Specs

Radius
13.20 R⊕
Radius (Jupiter)
1.180 R♃
Mass
807.00 M⊕
Mass (Jupiter)
2.540 M♃
Density
1.93 g/cm³
Surface Gravity
4.63 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.386
HZ Position Unknown
Controversial No

Discovery

Year 2019
Method Microlensing
Facility OGLE
Telescope 1.3 m Warsaw University Telescope

Size rank in cohort

Rank by radius

#847of 1771

top 47.8%

This planet

13.20R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth OGLE-2015-BLG-1649L b Jupiter
Radius (R⊕)1.0013.2011.21
Mass (M⊕)1.00807.00317.83
Density (g/cm³)5.511.931.33
Surface Gravity (g)1.004.632.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 807.000 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 13.200 R⊕ · percentile 49 / cohort 1771
Mass 807.000 M⊕ · percentile 62 / cohort 1747
Distance 4,230.00 pc · percentile 92 / cohort 1759
ESI 0.386 · percentile 81 / cohort 1771

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)

0.386

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Nagakane et al. 2019

Instrument

OGLE CCD Array

Publication

2019-11

Observation locale

Ground

Host System: OGLE-2015-BLG-1649L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.340 M☉

Metallicity [Fe/H]

Distance
4,230.00 parsec
Light-years 13,796.40 ly
V-band magnitude
mag
Voyager-speed travel 243,299,479 yr

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