Confirmed Exoplanet Discovered 2023

K2-2016-BLG-0005L b

A gas giant orbiting the unknown K2-2016-BLG-0005L, located approximately 16,960.1 light-years from Earth.

Key parameters at a glance

  • A radius of 13.70 Earth radii
  • A mass of 349.61 Earth masses
  • Surface gravity around 1.86 g
  • An orbital period of 4,700.000 days
  • Semi-major axis 4.1600 AU
  • Distance from Earth 16,960.11 light-years
  • Earth Similarity Index 0.317
  • Travel time at Voyager 1 speed 299,091,558 years

K2-2016-BLG-0005L b Planet Profile

Physical Specs

Radius
13.70 R⊕
Radius (Jupiter)
1.230 R♃
Mass
349.61 M⊕
Mass (Jupiter)
1.100 M♃
Density
0.75 g/cm³
Surface Gravity
1.86 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.317
HZ Position Unknown
Controversial No

Discovery

Year 2023
Method Microlensing
Facility K2
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#554of 1771

top 31.2%

This planet

13.70R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth K2-2016-BLG-0005L b Jupiter
Radius (R⊕)1.0013.7011.21
Mass (M⊕)1.00349.61317.83
Density (g/cm³)5.510.751.33
Surface Gravity (g)1.001.862.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 349.611 M⊕ Direct mass measurement (not derived).

Percentile among Gas Giant cohort

Radius 13.700 R⊕ · percentile 66 / cohort 1771
Mass 349.611 M⊕ · percentile 37 / cohort 1747
Orbital period 4,700.00 d · percentile 92 / cohort 1533
Distance 5,200.00 pc · percentile 93 / cohort 1759
ESI 0.317 · percentile 62 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
4,700.000 days
Semi-major axis
4.1600 AU
Eccentricity
Inclination
°

Year Length

A year here lasts about 12.87 Earth years at a mean orbital distance of 4.1600 AU.

Eq. Temperature

 

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.317

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Specht et al. 2023

Instrument

Kepler CCD Array

Publication

2023-04

Observation locale

Space

Host System: K2-2016-BLG-0005L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.584 M☉

Metallicity [Fe/H]

Distance
5,200.00 parsec
Light-years 16,960.11 ly
V-band magnitude
mag
Voyager-speed travel 299,091,558 yr

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