Confirmed Exoplanet Discovered 2018

OGLE-2014-BLG-1722L b

A neptune-like orbiting the unknown OGLE-2014-BLG-1722L, located approximately 20,874.0 light-years from Earth.

Key parameters at a glance

  • A radius of 8.59 Earth radii
  • A mass of 55.30 Earth masses
  • Surface gravity around 0.75 g
  • Semi-major axis 1.5000 AU
  • Distance from Earth 20,873.98 light-years
  • Earth Similarity Index 0.338
  • Travel time at Voyager 1 speed 368,112,687 years

1 sibling around OGLE-2014-BLG-1722L

OGLE-2014-BLG-1722L b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
OGLE-2014-BLG-1722L b this Neptune-like 8.59 55.30 — — 2018
OGLE-2014-BLG-1722L c Gas Giant 11.00 83.70 — — 2018

OGLE-2014-BLG-1722L b Planet Profile

Physical Specs

Radius
8.59 R⊕
Radius (Jupiter)
0.766 R♃
Mass
55.30 M⊕
Mass (Jupiter)
0.174 M♃
Density
0.48 g/cm³
Surface Gravity
0.75 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.338
HZ Position Unknown
Controversial No

Discovery

Year 2018
Method Microlensing
Facility OGLE
Telescope 1.3 m Warsaw University Telescope

Size rank in cohort

Rank by radius

#114of 574

top 19.7%

This planet

8.59R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

HD 117618 b 8.59 R⊕ Kepler-1513 b 8.59 R⊕ HATS-49 b 8.57 R⊕
Metric Earth OGLE-2014-BLG-1722L b Jupiter
Radius (R⊕)1.008.5911.21
Mass (M⊕)1.0055.30317.83
Density (g/cm³)5.510.481.33
Surface Gravity (g)1.000.752.53
Insolation (S⊕)1.00—0.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 55.300 M⊕ Direct mass measurement (not derived).

Percentile among Neptune-like cohort

Radius 8.590 R⊕ · percentile 80 / cohort 574
Mass 55.300 M⊕ · percentile 75 / cohort 574
Distance 6,400.00 pc · percentile 95 / cohort 572
ESI 0.338 · percentile 60 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period
— days
Semi-major axis
1.5000 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)

0.338

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Suzuki et al. 2018

Instrument

OGLE CCD Array

Publication

2018-06

Observation locale

Ground

Discovery cohort

Planets confirmed in 2018 at OGLE (10 shown).

OGLE-2017-BLG-0173L b · Super-Earth OGLE-2017-BLG-1434L b · Super-Earth OGLE-2017-BLG-0482L b · Sub-Neptune OGLE-2013-BLG-1761L b · Gas Giant OGLE-2016-BLG-1266L b · Gas Giant OGLE-2017-BLG-1140L b · Gas Giant OGLE-2011-BLG-0173L b · Neptune-like OGLE-2014-BLG-1722L c · Gas Giant OGLE-2017-BLG-1522L b · Gas Giant OGLE-2017-BLG-0373L b · Gas Giant

Host System: OGLE-2014-BLG-1722L

Spectral Class

Unknown

Effective Temperature

—

Estimated Age

—

Stellar Radius

—

Stellar Mass

0.400 M☉

Metallicity [Fe/H]

—

Distance
6,400.00 parsec
Light-years 20,873.98 ly
V-band magnitude
— mag
Voyager-speed travel 368,112,687 yr

Similar Worlds

OGLE-2008-BLG-092L b

Neptune-like · Unknown

Radius 8.74 R⊕ · 26,418.6 ly

OGLE-2012-BLG-0838L b

Neptune-like · Unknown

Radius 8.39 R⊕ · 20,613.1 ly

KMT-2024-BLG-2005L b

Neptune-like · Unknown

Radius 8.18 R⊕ · 25,179.2 ly

KMT-2018-BLG-0748L b

Neptune-like · Unknown

Radius 9.01 R⊕ · 23,809.4 ly

OGLE-2011-BLG-0173L b

Neptune-like · Unknown

Radius 9.01 R⊕ · 19,895.5 ly

KMT-2019-BLG-1042L b

Neptune-like · Unknown

Radius 9.05 R⊕ · 21,526.3 ly

Explore Related Categories

Neptune-like Planets Microlensing Discoveries OGLE Mission