Key parameters at a glance
- A radius of 2.67 Earth radii
- A mass of 7.59 Earth masses
- Surface gravity around 1.06 g
- Semi-major axis 4.2700 AU
- Distance from Earth 11,024.07 light-years
- Earth Similarity Index 0.680
- Travel time at Voyager 1 speed 194,409,513 years
KMT-2018-BLG-0029L b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#904of 1978
top 45.7%
This planet
2.67R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | KMT-2018-BLG-0029L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.67 | 11.21 |
| Mass (M⊕) | 1.00 | 7.59 | 317.83 |
| Density (g/cm³) | 5.51 | 2.19 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.06 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 7.590 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)
0.680
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Gould et al. 2020Instrument
18k Mosaic CCD camera
Publication
2020-02
Observation locale
Ground
Discovery cohort
Planets confirmed in 2020 at KMTNet (7 shown).
Host System: KMT-2018-BLG-0029L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
1.140 M☉
Metallicity [Fe/H]
—
Similar Worlds
KMT-2024-BLG-1044L b
Sub-Neptune · Unknown
Radius 2.70 R⊕ · 23,287.5 ly
KMT-2024-BLG-2059L b
Sub-Neptune · Unknown
Radius 2.54 R⊕ · 19,797.7 ly
OGLE-2018-BLG-1185L b
Sub-Neptune · Unknown
Radius 2.83 R⊕ · 24,135.5 ly
MOA-2012-BLG-505L b
Sub-Neptune · Unknown
Radius 2.48 R⊕ · 23,515.8 ly
OGLE-2018-BLG-0977L b
Sub-Neptune · Unknown
Radius 2.41 R⊕ · 21,200.1 ly
KMT-2017-BLG-0849L b
Sub-Neptune · Unknown
Radius 2.41 R⊕ · 23,548.5 ly