Key parameters at a glance
- A radius of 13.80 Earth radii
- A mass of 336.90 Earth masses
- Surface gravity around 1.77 g
- Semi-major axis 3.1500 AU
- Distance from Earth 17,873.35 light-years
- Earth Similarity Index 0.312
- Travel time at Voyager 1 speed 315,196,489 years
KMT-2024-BLG-1870L b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#510of 1771
top 28.7%
This planet
13.80R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | KMT-2024-BLG-1870L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 13.80 | 11.21 |
| Mass (M⊕) | 1.00 | 336.90 | 317.83 |
| Density (g/cm³) | 5.51 | 0.70 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.77 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 336.898 M⊕ | Direct mass measurement (not derived). |
Percentile among Gas Giant 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)
0.312
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Han et al. 2026Instrument
18k Mosaic CCD camera
Publication
2026-01
Observation locale
Ground
Discovery cohort
Planets confirmed in 2026 at KMTNet (12 shown).
Host System: KMT-2024-BLG-1870L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.670 M☉
Metallicity [Fe/H]
—
Similar Worlds
OGLE-2018-BLG-1367L b
Gas Giant · Unknown
Radius 13.80 R⊕ · 17,514.6 ly
KMT-2021-BLG-2010L b
Gas Giant · Unknown
Radius 13.80 R⊕ · 23,124.5 ly
OGLE-2018-BLG-1647L b
Gas Giant · Unknown
Radius 13.80 R⊕ · 25,701.1 ly
KMT-2016-BLG-2321L b
Gas Giant · Unknown
Radius 13.80 R⊕ · 11,676.4 ly
KMT-2023-BLG-1642L b
Gas Giant · Unknown
Radius 13.80 R⊕ · 22,765.7 ly
KMT-2022-BLG-2076L b
Gas Giant · Unknown
Radius 13.90 R⊕ · 18,166.9 ly