Key parameters at a glance
- A radius of 7.56 Earth radii
- A mass of 44.50 Earth masses
- Surface gravity around 0.78 g
- Semi-major axis 2.8600 AU
- Distance from Earth 21,330.60 light-years
- Earth Similarity Index 0.367
- Travel time at Voyager 1 speed 376,165,152 years
OGLE-2018-BLG-0298L b Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#175of 574
top 30.3%
This planet
7.56R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | OGLE-2018-BLG-0298L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 7.56 | 11.21 |
| Mass (M⊕) | 1.00 | 44.50 | 317.83 |
| Density (g/cm³) | 5.51 | 0.57 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.78 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 44.496 M⊕ | Direct mass measurement (not derived). |
Percentile among Neptune-like 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)
0.367
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Jung et al. 2022Instrument
OGLE CCD Array
Publication
2022-12
Observation locale
Ground
Discovery cohort
Planets confirmed in 2022 at OGLE (12 shown).
Host System: OGLE-2018-BLG-0298L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.690 M☉
Metallicity [Fe/H]
—
Similar Worlds
MOA-2020-BLG-208L b
Neptune-like · Unknown
Radius 7.71 R⊕ · 24,429.1 ly
KMT-2023-BLG-0469L b
Neptune-like · Unknown
Radius 7.04 R⊕ · 23,059.2 ly
KMT-2023-BLG-0735L b
Neptune-like · Unknown
Radius 6.97 R⊕ · 20,841.4 ly
KMT-2024-BLG-2005L b
Neptune-like · Unknown
Radius 8.18 R⊕ · 25,179.2 ly
KMT-2021-BLG-0712L b
Neptune-like · Unknown
Radius 6.91 R⊕ · 10,078.2 ly
KMT-2021-BLG-1554L b
Neptune-like · Unknown
Radius 6.90 R⊕ · 25,048.8 ly