Key parameters at a glance
- A radius of 12.10 Earth radii
- A mass of 6,674.40 Earth masses
- Surface gravity around 45.59 g
- Semi-major axis 0.9000 AU
- Distance from Earth 22,570.00 light-years
- Earth Similarity Index 0.286
- Travel time at Voyager 1 speed 398,021,843 years
KMT-2021-BLG-1770L b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1454of 1771
top 82.0%
This planet
12.10R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | KMT-2021-BLG-1770L b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.10 | 11.21 |
| Mass (M⊕) | 1.00 | 6,674.40 | 317.83 |
| Density (g/cm³) | 5.51 | 20.70 | 1.33 |
| Surface Gravity (g) | 1.00 | 45.59 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 6,674.397 M⊕ | Direct mass measurement (not derived). |
Percentile among Gas Giant 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)
0.286
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Han et al. 2023Instrument
18k Mosaic CCD camera
Publication
2023-10
Observation locale
Ground
Discovery cohort
Planets confirmed in 2023 at KMTNet (12 shown).
Host System: KMT-2021-BLG-1770L
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
0.130 M☉
Metallicity [Fe/H]
—
Similar Worlds
UCAC4 328-061594 b
Gas Giant · Unknown
Radius 12.10 R⊕ · 130.2 ly
ITG 15 b
Gas Giant · Unknown
Radius 12.10 R⊕ · 444.8 ly
KMT-2023-BLG-1743L b
Gas Giant · Unknown
Radius 12.10 R⊕ · 23,254.9 ly
KMT-2019-BLG-0335L b
Gas Giant · Unknown
Radius 12.10 R⊕ · 25,146.6 ly
KMT-2019-BLG-0297L b
Gas Giant · Unknown
Radius 12.10 R⊕ · 10,078.2 ly
KMT-2022-BLG-1013L b
Gas Giant · Unknown
Radius 12.10 R⊕ · 25,146.6 ly