Key parameters at a glance
- A radius of 2.41 Earth radii
- A mass of 6.39 Earth masses
- Surface gravity around 1.10 g
- Semi-major axis 2.7300 AU
- Distance from Earth 23,548.46 light-years
- Earth Similarity Index 0.717
- Travel time at Voyager 1 speed 415,277,125 years
KMT-2017-BLG-0849L b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1312of 1978
top 66.3%
This planet
2.41R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | KMT-2017-BLG-0849L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.41 | 11.21 |
| Mass (M⊕) | 1.00 | 6.39 | 317.83 |
| Density (g/cm³) | 5.51 | 2.51 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.10 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 6.390 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)
0.717
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Gui et al. 2024Instrument
18k Mosaic CCD camera
Publication
2024-08
Observation locale
Ground
Discovery cohort
Planets confirmed in 2024 at KMTNet (12 shown).
Host System: KMT-2017-BLG-0849L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.190 M☉
Metallicity [Fe/H]
—
Similar Worlds
OGLE-2018-BLG-0977L b
Sub-Neptune · Unknown
Radius 2.41 R⊕ · 21,200.1 ly
OGLE-2018-BLG-0383L b
Sub-Neptune · Unknown
Radius 2.41 R⊕ · 25,114.0 ly
OGLE-2018-BLG-0532L b
Sub-Neptune · Unknown
Radius 2.37 R⊕ · 2,521.2 ly
KMT-2018-BLG-1025L b
Sub-Neptune · Unknown
Radius 2.34 R⊕ · 21,868.8 ly
MOA-2012-BLG-505L b
Sub-Neptune · Unknown
Radius 2.48 R⊕ · 23,515.8 ly
KMT-2024-BLG-2059L b
Sub-Neptune · Unknown
Radius 2.54 R⊕ · 19,797.7 ly