Key parameters at a glance

A radius of 2.04 Earth radii
A mass of 4.83 Earth masses
Surface gravity around 1.16 g
Semi-major axis 1.6300 AU
Distance from Earth 6,523.12 light-years
Earth Similarity Index 0.779
Travel time at Voyager 1 speed 115,035,215 years

MOA-2022-BLG-249L b Planet Profile

Physical Specs

Radius

2.04 R⊕

Radius (Jupiter)

0.182 R♃

Mass

4.83 M⊕

Mass (Jupiter)

0.015 M♃

Density

3.13 g/cm³

Surface Gravity

1.16 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.779

HZ Position Unknown

Controversial No

Discovery

Year 2023

Method Microlensing

Facility MOA

Telescope 1.8 m MOA Telescope

Size rank in cohort

Rank by radius

#1904of 1978

top 96.2%

This planet

2.04R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

TOI-2081 b 2.04 R⊕ Kepler-230 c 2.04 R⊕ Kepler-48 d 2.04 R⊕

Metric	Earth	MOA-2022-BLG-249L b	Jupiter
Radius (R⊕)	1.00	2.04	11.21
Mass (M⊕)	1.00	4.83	317.83
Density (g/cm³)	5.51	3.13	1.33
Surface Gravity (g)	1.00	1.16	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	4.830 M⊕	Direct mass measurement (not derived).

Percentile among Sub-Neptune cohort

Radius 2.040 R⊕ · percentile 3 / cohort 1978

Mass 4.830 M⊕ · percentile 6 / cohort 1978

Distance 2,000.00 pc · percentile 97 / cohort 1975

ESI 0.779 · percentile 99 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

— days

Semi-major axis

1.6300 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)

0.779

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Han et al. 2023

Instrument

MOA CCD Array

Publication

2023-06

Observation locale

Ground

Host System: MOA-2022-BLG-249L

Spectral Class

Unknown

Effective Temperature

—

Estimated Age

—

Stellar Radius

—

Stellar Mass

0.180 M☉

Metallicity [Fe/H]

—

Distance

2,000.00 parsec

Light-years 6,523.12 ly

V-band magnitude

— mag

Voyager-speed travel 115,035,215 yr

Similar Worlds

KMT-2019-BLG-1806L b

Sub-Neptune · Unknown

Radius 2.00 R⊕ · 21,656.8 ly

KMT-2017-BLG-1003L b

Sub-Neptune · Unknown

Radius 2.13 R⊕ · 23,124.5 ly

OGLE-2017-BLG-1806L b

Sub-Neptune · Unknown

Radius 2.15 R⊕ · 20,874.0 ly

OGLE-2005-BLG-390L b

Sub-Neptune · Unknown

Radius 2.21 R⊕ · 21,526.3 ly

KMT-2018-BLG-1988L b

Sub-Neptune · Unknown

Radius 2.22 R⊕ · 13,535.5 ly

KMT-2017-BLG-0428L b

Sub-Neptune · Unknown

Radius 2.23 R⊕ · 17,612.4 ly

Explore Related Categories

Sub-Neptune Planets Microlensing Discoveries MOA Mission