Key parameters at a glance
- A radius of 13.60 Earth radii
- A mass of 467.21 Earth masses
- Surface gravity around 2.53 g
- Semi-major axis 4.5000 AU
- Distance from Earth 16,536.11 light-years
- Earth Similarity Index 0.339
- Travel time at Voyager 1 speed 291,614,269 years
KMT-2021-BLG-1547L b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#609of 1771
top 34.3%
This planet
13.60R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | KMT-2021-BLG-1547L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 13.60 | 11.21 |
| Mass (M⊕) | 1.00 | 467.21 | 317.83 |
| Density (g/cm³) | 5.51 | 1.02 | 1.33 |
| Surface Gravity (g) | 1.00 | 2.53 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 467.208 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)
0.339
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Han et al. 2023Instrument
18k Mosaic CCD camera
Publication
2023-10
Observation locale
Ground
Discovery cohort
Planets confirmed in 2023 at KMTNet (12 shown).
Host System: KMT-2021-BLG-1547L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.720 M☉
Metallicity [Fe/H]
—
Similar Worlds
KMT-2021-BLG-1303L b
Gas Giant · Unknown
Radius 13.60 R⊕ · 20,482.6 ly
KMT-2021-BLG-1105L b
Gas Giant · Unknown
Radius 13.60 R⊕ · 14,807.5 ly
OGLE-2012-BLG-0563L b
Gas Giant · Unknown
Radius 13.60 R⊕ · 4,240.0 ly
KMT-2018-BLG-0030L b
Gas Giant · Unknown
Radius 13.60 R⊕ · 21,134.9 ly
OGLE-2018-BLG-0962L b
Gas Giant · Unknown
Radius 13.60 R⊕ · 21,200.1 ly
OGLE-2016-BLG-1598L b
Gas Giant · Unknown
Radius 13.60 R⊕ · 19,275.8 ly