Confirmed Exoplanet Discovered 2024

KMT-2023-BLG-0735L b

A neptune-like orbiting the unknown KMT-2023-BLG-0735L, located approximately 20,841.4 light-years from Earth.

Key parameters at a glance

  • A radius of 6.97 Earth radii
  • A mass of 38.78 Earth masses
  • Surface gravity around 0.80 g
  • Semi-major axis 2.9600 AU
  • Distance from Earth 20,841.37 light-years
  • Earth Similarity Index 0.387
  • Travel time at Voyager 1 speed 367,537,511 years

KMT-2023-BLG-0735L b Planet Profile

Physical Specs

Radius
6.97 R⊕
Radius (Jupiter)
0.622 R♃
Mass
38.78 M⊕
Mass (Jupiter)
0.122 M♃
Density
0.63 g/cm³
Surface Gravity
0.80 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.387
HZ Position Unknown
Controversial No

Discovery

Year 2024
Method Microlensing
Facility KMTNet
Telescope 1.6 m wide-field telescope

Size rank in cohort

Rank by radius

#205of 574

top 35.5%

This planet

6.97R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

Metric Earth KMT-2023-BLG-0735L b Jupiter
Radius (R⊕)1.006.9711.21
Mass (M⊕)1.0038.78317.83
Density (g/cm³)5.510.631.33
Surface Gravity (g)1.000.802.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 38.775 M⊕ Direct mass measurement (not derived).

Percentile among Neptune-like cohort

Radius 6.970 R⊕ · percentile 64 / cohort 574
Mass 38.775 M⊕ · percentile 62 / cohort 574
Distance 6,390.00 pc · percentile 94 / cohort 572
ESI 0.387 · percentile 70 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
2.9600 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)

0.387

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Han et al. 2024

Instrument

18k Mosaic CCD camera

Publication

2024-03

Observation locale

Ground

Host System: KMT-2023-BLG-0735L

Spectral Class

Unknown

Effective Temperature

Estimated Age

Stellar Radius

Stellar Mass

0.610 M☉

Metallicity [Fe/H]

Distance
6,390.00 parsec
Light-years 20,841.37 ly
V-band magnitude
mag
Voyager-speed travel 367,537,511 yr

Similar Worlds

Explore Related Categories