Key parameters at a glance
- A radius of 12.70 Earth radii
- A mass of 2,200.00 Earth masses
- Surface gravity around 13.64 g
- Semi-major axis 5.1000 AU
- Distance from Earth 21,526.30 light-years
- Earth Similarity Index 0.434
- Travel time at Voyager 1 speed 379,616,209 years
KMT-2016-BLG-1397L b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1130of 1771
top 63.7%
This planet
12.70R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | KMT-2016-BLG-1397L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.70 | 11.21 |
| Mass (M⊕) | 1.00 | 2,200.00 | 317.83 |
| Density (g/cm³) | 5.51 | 5.90 | 1.33 |
| Surface Gravity (g) | 1.00 | 13.64 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 2,200.000 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)
0.434
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Zang et al. 2018Instrument
18k Mosaic CCD camera
Publication
2018-11
Observation locale
Ground
Discovery cohort
Planets confirmed in 2018 at KMTNet (4 shown).
Host System: KMT-2016-BLG-1397L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.450 M☉
Metallicity [Fe/H]
—
Similar Worlds
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