Key parameters at a glance

A radius of 7.72 Earth radii
A mass of 46.10 Earth masses
Surface gravity around 0.77 g
Semi-major axis 4.0000 AU
Distance from Earth 13,108.21 light-years
Earth Similarity Index 0.363
Travel time at Voyager 1 speed 231,163,264 years

1 sibling around OGLE-2012-BLG-0026L

OGLE-2012-BLG-0026L 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-2012-BLG-0026L b this	Neptune-like	7.72	46.10	—	—	2012
OGLE-2012-BLG-0026L c	Gas Giant	13.90	270.00	—	—	2012

OGLE-2012-BLG-0026L b Planet Profile

Physical Specs

Radius

7.72 R⊕

Radius (Jupiter)

0.688 R♃

Mass

46.10 M⊕

Mass (Jupiter)

0.145 M♃

Density

0.55 g/cm³

Surface Gravity

0.77 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.363

HZ Position Unknown

Controversial No

Discovery

Year 2012

Method Microlensing

Facility OGLE

Telescope 1.3 m Warsaw University Telescope

Size rank in cohort

Rank by radius

#163of 574

top 28.2%

This planet

7.72R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

Kepler-489 b 7.72 R⊕ KOI-351 g 7.72 R⊕ MOA-2020-BLG-208L b 7.71 R⊕

Metric	Earth	OGLE-2012-BLG-0026L b	Jupiter
Radius (R⊕)	1.00	7.72	11.21
Mass (M⊕)	1.00	46.10	317.83
Density (g/cm³)	5.51	0.55	1.33
Surface Gravity (g)	1.00	0.77	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	46.100 M⊕	Direct mass measurement (not derived).

Percentile among Neptune-like cohort

Radius 7.720 R⊕ · percentile 71 / cohort 574

Mass 46.100 M⊕ · percentile 68 / cohort 574

Distance 4,019.00 pc · percentile 92 / cohort 572

ESI 0.363 · percentile 66 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

— days

Semi-major axis

4.0000 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)

0.363

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Han et al. 2013

Instrument

OGLE CCD Array

Publication

2013-01

Observation locale

Ground

Discovery cohort

Planets confirmed in 2012 at OGLE (2 shown).

OGLE-2012-BLG-0026L c · Gas Giant OGLE-2011-BLG-0251L b · Gas Giant

Host System: OGLE-2012-BLG-0026L

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

—

Estimated Age

5.00 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

—

Stellar Mass

1.060 M☉

Metallicity [Fe/H]

—

Distance

4,019.00 parsec

Light-years 13,108.21 ly

V-band magnitude

20.66 mag

Voyager-speed travel 231,163,264 yr