Key parameters at a glance
- A radius of 1.49 Earth radii
- A mass of 2.81 Earth masses
- Surface gravity around 1.27 g
- Semi-major axis 3.1400 AU
- Distance from Earth 18,134.27 light-years
- Earth Similarity Index 0.894
- Travel time at Voyager 1 speed 319,797,897 years
KMT-2021-BLG-0912L b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#766of 1176
top 65.1%
This planet
1.49R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | KMT-2021-BLG-0912L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.49 | 11.21 |
| Mass (M⊕) | 1.00 | 2.81 | 317.83 |
| Density (g/cm³) | 5.51 | 4.67 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.27 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 2.810 M⊕ | Direct mass measurement (not derived). |
Percentile among Super-Earth 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)
0.894
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Han et al. 2022Instrument
18k Mosaic CCD camera
Publication
2022-02
Observation locale
Ground
Discovery cohort
Planets confirmed in 2022 at KMTNet (12 shown).
Host System: KMT-2021-BLG-0912L
Spectral Class
K-type orange
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.800 M☉
Metallicity [Fe/H]
—
Similar Worlds
Kepler-1614 b
Super-Earth · K-type orange
Radius 1.49 R⊕ · 3,885.1 ly
TOI-431 c
Super-Earth · K-type orange
Radius 1.49 R⊕ · 106.2 ly
Kepler-898 b
Super-Earth · K-type orange
Radius 1.49 R⊕ · 1,581.5 ly
Kepler-174 c
Super-Earth · K-type orange
Radius 1.49 R⊕ · 1,254.9 ly
Kepler-1492 b
Super-Earth · K-type orange
Radius 1.49 R⊕ · 1,081.4 ly
K2-268 d
Super-Earth · K-type orange
Radius 1.49 R⊕ · 1,069.1 ly