Key parameters at a glance

A radius of 3.37 Earth radii
A mass of 11.30 Earth masses
Surface gravity around 0.99 g
Semi-major axis 1.1100 AU
Distance from Earth 25,766.32 light-years
Earth Similarity Index 0.600
Travel time at Voyager 1 speed 454,389,098 years

MOA-2020-BLG-135L b Planet Profile

Physical Specs

Radius

3.37 R⊕

Radius (Jupiter)

0.301 R♃

Mass

11.30 M⊕

Mass (Jupiter)

0.036 M♃

Density

1.62 g/cm³

Surface Gravity

0.99 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.600

HZ Position Unknown

Controversial No

Discovery

Year 2022

Method Microlensing

Facility MOA

Telescope 1.8 m MOA Telescope

Size rank in cohort

Rank by radius

#237of 1978

top 11.9%

This planet

3.37R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-340 c 3.37 R⊕ HD 134606 c 3.37 R⊕ Kepler-143 c 3.37 R⊕

Metric	Earth	MOA-2020-BLG-135L b	Jupiter
Radius (R⊕)	1.00	3.37	11.21
Mass (M⊕)	1.00	11.30	317.83
Density (g/cm³)	5.51	1.62	1.33
Surface Gravity (g)	1.00	0.99	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	11.300 M⊕	Direct mass measurement (not derived).

Percentile among Sub-Neptune cohort

Radius 3.370 R⊕ · percentile 88 / cohort 1978

Mass 11.300 M⊕ · percentile 82 / cohort 1978

Distance 7,900.00 pc · percentile 100 / cohort 1975

ESI 0.600 · percentile 82 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

— days

Semi-major axis

1.1100 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)

0.600

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Ishitani Silva et al. 2022

Instrument

MOA CCD Array

Publication

2022-09

Observation locale

Ground

Host System: MOA-2020-BLG-135L

Spectral Class

Unknown

Effective Temperature

—

Estimated Age

—

Stellar Radius

—

Stellar Mass

0.230 M☉

Metallicity [Fe/H]

—

Distance

7,900.00 parsec

Light-years 25,766.32 ly

V-band magnitude

— mag

Voyager-speed travel 454,389,098 yr

Similar Worlds

MOA-2009-BLG-266L b

Sub-Neptune · Unknown

Radius 3.21 R⊕ · 9,915.1 ly

KMT-2019-BLG-0842L b

Sub-Neptune · Unknown

Radius 3.19 R⊕ · 10,828.4 ly

KMT-2021-BLG-2609L b

Sub-Neptune · Unknown

Radius 3.17 R⊕ · 24,396.5 ly

MOA-2007-BLG-192L b

Sub-Neptune · Unknown

Radius 3.58 R⊕ · 7,045.0 ly

KMT-2023-BLG-0416L b

Sub-Neptune · Unknown

Radius 3.67 R⊕ · 19,243.2 ly

KMT-2019-BLG-0253L b

Sub-Neptune · Unknown

Radius 2.99 R⊕ · 15,981.6 ly

Explore Related Categories

Sub-Neptune Planets Microlensing Discoveries MOA Mission