Key parameters at a glance
- A radius of 12.80 Earth radii
- A mass of 1,900.61 Earth masses
- Surface gravity around 11.60 g
- Semi-major axis 2.0300 AU
- Distance from Earth 19,765.05 light-years
- Earth Similarity Index 0.438
- Travel time at Voyager 1 speed 348,556,701 years
KMT-2023-BLG-0949L b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1063of 1771
top 60.0%
This planet
12.80R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | KMT-2023-BLG-0949L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.80 | 11.21 |
| Mass (M⊕) | 1.00 | 1,900.61 | 317.83 |
| Density (g/cm³) | 5.51 | 4.98 | 1.33 |
| Surface Gravity (g) | 1.00 | 11.60 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 1,900.614 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)
0.438
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Han et al. 2025Instrument
18k Mosaic CCD camera
Publication
2025-10
Observation locale
Ground
Discovery cohort
Planets confirmed in 2025 at KMTNet (12 shown).
Host System: KMT-2023-BLG-0949L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.480 M☉
Metallicity [Fe/H]
—
Similar Worlds
OGLE-2017-BLG-1049L b
Gas Giant · Unknown
Radius 12.80 R⊕ · 18,493.0 ly
KMT-2021-BLG-0119L b
Gas Giant · Unknown
Radius 12.80 R⊕ · 10,208.7 ly
OGLE-2017-BLG-1275L b
Gas Giant · Unknown
Radius 12.80 R⊕ · 25,081.4 ly
OGLE-2019-BLG-0249L b
Gas Giant · Unknown
Radius 12.70 R⊕ · 20,776.1 ly
OGLE-2019-BLG-0299L b
Gas Giant · Unknown
Radius 12.70 R⊕ · 19,014.9 ly
KMT-2024-BLG-2087L b
Gas Giant · Unknown
Radius 12.90 R⊕ · 23,450.6 ly