Key parameters at a glance
- A radius of 4.73 Earth radii
- A mass of 20.10 Earth masses
- Surface gravity around 0.90 g
- Semi-major axis 2.2000 AU
- Distance from Earth 22,830.92 light-years
- Earth Similarity Index 0.492
- Travel time at Voyager 1 speed 402,623,252 years
OGLE-2018-BLG-0516L b Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#424of 574
top 73.7%
This planet
4.73R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | OGLE-2018-BLG-0516L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 4.73 | 11.21 |
| Mass (M⊕) | 1.00 | 20.10 | 317.83 |
| Density (g/cm³) | 5.51 | 1.04 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.90 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 20.100 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)
0.492
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Hwang et al. 2022Instrument
OGLE CCD Array
Publication
2022-02
Observation locale
Ground
Discovery cohort
Planets confirmed in 2022 at OGLE (12 shown).
Host System: OGLE-2018-BLG-0516L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.470 M☉
Metallicity [Fe/H]
—
Similar Worlds
OGLE-2007-BLG-368L b
Neptune-like · Unknown
Radius 4.72 R⊕ · 19,243.2 ly
KMT-2021-BLG-0736L b
Neptune-like · Unknown
Radius 4.86 R⊕ · 22,830.9 ly
OGLE-2015-BLG-0966L b
Neptune-like · Unknown
Radius 4.86 R⊕ · 10,763.1 ly
KMT-2021-BLG-1253L b
Neptune-like · Unknown
Radius 4.59 R⊕ · 21,656.8 ly
KMT-2024-BLG-1281L b
Neptune-like · Unknown
Radius 4.59 R⊕ · 23,418.0 ly
KMT-2021-BLG-2294L b
Neptune-like · Unknown
Radius 5.02 R⊕ · 22,178.6 ly