Key parameters at a glance
- A radius of 2.83 Earth radii
- A mass of 8.40 Earth masses
- Surface gravity around 1.05 g
- Semi-major axis 1.5400 AU
- Distance from Earth 24,135.54 light-years
- Earth Similarity Index 0.660
- Travel time at Voyager 1 speed 425,630,295 years
OGLE-2018-BLG-1185L b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#703of 1978
top 35.5%
This planet
2.83R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | OGLE-2018-BLG-1185L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.83 | 11.21 |
| Mass (M⊕) | 1.00 | 8.40 | 317.83 |
| Density (g/cm³) | 5.51 | 2.04 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.05 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 8.400 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)
0.660
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Kondo et al. 2021Instrument
OGLE CCD Array
Publication
2021-08
Observation locale
Ground
Discovery cohort
Planets confirmed in 2021 at OGLE (8 shown).
Host System: OGLE-2018-BLG-1185L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.370 M☉
Metallicity [Fe/H]
—
Similar Worlds
OGLE-2017-BLG-0482L b
Sub-Neptune · Unknown
Radius 2.95 R⊕ · 18,917.0 ly
KMT-2024-BLG-1044L b
Sub-Neptune · Unknown
Radius 2.70 R⊕ · 23,287.5 ly
KMT-2019-BLG-0253L b
Sub-Neptune · Unknown
Radius 2.99 R⊕ · 15,981.6 ly
MOA-2010-BLG-328L b
Sub-Neptune · Unknown
Radius 2.99 R⊕ · 2,641.9 ly
KMT-2018-BLG-0029L b
Sub-Neptune · Unknown
Radius 2.67 R⊕ · 11,024.1 ly
KMT-2024-BLG-2059L b
Sub-Neptune · Unknown
Radius 2.54 R⊕ · 19,797.7 ly