Key parameters at a glance
- A radius of 3.76 Earth radii
- A mass of 13.60 Earth masses
- Surface gravity around 0.96 g
- Semi-major axis 3.2000 AU
- Distance from Earth 22,178.61 light-years
- Earth Similarity Index 0.565
- Travel time at Voyager 1 speed 391,119,730 years
KMT-2023-BLG-1431L b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#68of 1978
top 3.4%
This planet
3.76R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | KMT-2023-BLG-1431L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.76 | 11.21 |
| Mass (M⊕) | 1.00 | 13.60 | 317.83 |
| Density (g/cm³) | 5.51 | 1.41 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.96 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 13.600 M⊕ | Direct mass measurement (not derived). |
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
Orbital period for this planet has not yet been measured.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.565
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Bell et al. 2024Instrument
18k Mosaic CCD camera
Publication
2024-05
Observation locale
Ground
Discovery cohort
Planets confirmed in 2024 at KMTNet (12 shown).
Host System: KMT-2023-BLG-1431L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.570 M☉
Metallicity [Fe/H]
—
Similar Worlds
OGLE-2018-BLG-0596L b
Sub-Neptune · Unknown
Radius 3.81 R⊕ · 18,427.8 ly
KMT-2024-BLG-2242L b
Sub-Neptune · Unknown
Radius 3.82 R⊕ · 24,853.1 ly
KMT-2023-BLG-0416L b
Sub-Neptune · Unknown
Radius 3.67 R⊕ · 19,243.2 ly
OGLE-2017-BLG-1691L b
Sub-Neptune · Unknown
Radius 3.92 R⊕ · 23,776.8 ly
MOA-2007-BLG-192L b
Sub-Neptune · Unknown
Radius 3.58 R⊕ · 7,045.0 ly
MOA-2016-BLG-526L b
Sub-Neptune · Unknown
Radius 3.97 R⊕ · 22,602.6 ly