Key parameters at a glance
- A radius of 4.08 Earth radii
- A mass of 15.60 Earth masses
- Surface gravity around 0.94 g
- Semi-major axis 5.7500 AU
- Distance from Earth 24,559.55 light-years
- Earth Similarity Index 0.538
- Travel time at Voyager 1 speed 433,107,584 years
OGLE-2017-BLG-0448L b Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#549of 574
top 95.5%
This planet
4.08R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | OGLE-2017-BLG-0448L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 4.08 | 11.21 |
| Mass (M⊕) | 1.00 | 15.60 | 317.83 |
| Density (g/cm³) | 5.51 | 1.26 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.94 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 15.600 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)
0.538
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Zhai et al. 2024Instrument
OGLE CCD Array
Publication
2024-04
Observation locale
Ground
Discovery cohort
Planets confirmed in 2024 at OGLE (8 shown).
Host System: OGLE-2017-BLG-0448L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.500 M☉
Metallicity [Fe/H]
—
Similar Worlds
KMT-2019-BLG-0953L b
Neptune-like · Unknown
Radius 4.06 R⊕ · 23,483.2 ly
KMT-2022-BLG-0440L b
Neptune-like · Unknown
Radius 4.05 R⊕ · 11,415.5 ly
OGLE-2018-BLG-0506L b
Neptune-like · Unknown
Radius 4.18 R⊕ · 18,264.7 ly
MOA-2011-BLG-262L b
Neptune-like · Unknown
Radius 4.29 R⊕ · 23,483.2 ly
KMT-2023-BLG-0830L b
Neptune-like · Unknown
Radius 4.41 R⊕ · 23,646.3 ly
OGLE-2018-BLG-1126L b
Neptune-like · Unknown
Radius 4.41 R⊕ · 18,590.9 ly