Key parameters at a glance
- A radius of 1.32 Earth radii
- A mass of 2.30 Earth masses
- Surface gravity around 1.32 g
- An orbital period of 12.905 days
- Semi-major axis 0.0950 AU
- Equilibrium temperature 545 K (272 °C)
- Distance from Earth 1,532.93 light-years
- Earth Similarity Index 0.570
- Travel time at Voyager 1 speed 27,033,275 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around Kepler-383
Kepler-383 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-383 b this | Super-Earth | 1.32 | 2.30 | 12.905 | 545 | 2014 |
| Kepler-383 c | Rocky Terrestrial | 1.24 | 2.07 | 31.201 | 406 | 2014 |
Kepler-383 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#1049of 1176
top 89.1%
This planet
1.32R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-383 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.32 | 11.21 |
| Mass (M⊕) | 1.00 | 2.30 | 317.83 |
| Density (g/cm³) | 5.51 | 5.50 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.32 | 2.53 |
| Insolation (S⊕) | 1.00 | 20.91 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 137150599
Gaia DR2
Gaia DR2 2052634109935669376
System
Kepler-383
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 12.90 Earth days (3.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0950 AU.
Transit Fingerprint
Depth
0.041 %
Duration
3.322 h
Impact parameter b
0.330
Rp / R★
0.018274
Transit midpoint (BJD)
2,454,977.3199
Photometric dip
Transit produces a flux drop of 412 ppm lasting ≈ 3.32 h.
Extended Orbital Architecture
Planet / star radius ratio
0.018274
Semi-major axis / stellar radius
30.580
Impact parameter (b)
0.330
Transit mid-time (BJD)
2,454,977.3199
Angular separation (arcsec)
0.20200
Eq. Temperature
545K
(272 °C)
Insolation (S⊕)
20.91
Earth = 1.00
Earth Similarity (ESI)
0.570
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
Discovery Paper
Primary reference
Rowe et al. 2014Instrument
Kepler CCD Array
Publication
2014-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
Host System: Kepler-383
Spectral Class
K-type orange
Effective Temperature
4,710 K — cooler than the Sun (5,778 K)
Estimated Age
13.90 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.672 R☉
Stellar Mass
0.669 M☉
Metallicity [Fe/H]
-0.18
Extended Stellar Properties
Surface gravity (log g)
4.624 dex
Stellar density
3.249 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 17 bands
Astrometric Data
Total Proper Motion
8.788 mas/yr
PM Right Ascension
1.40 mas/yr
PM Declination
8.67 mas/yr
Galactic Cartesian (pc)
x = 0.285 · y = -0.730 · z = 0.621
Equatorial (J2000)
RA 291.34261° · Dec 38.36316°
Galactic ℓ, b
70.896° · 10.373°
Ecliptic λ, β
303.990° · 59.309°
HTM-20 index
2137223657
Similar Worlds
Kepler-333 b
Super-Earth · K-type orange
Radius 1.32 R⊕ · 1,058.1 ly
K2-35 b
Super-Earth · K-type orange
Radius 1.32 R⊕ · 823.9 ly
Kepler-395 c
Super-Earth · K-type orange
Radius 1.32 R⊕ · 1,374.4 ly
Kepler-1783 b
Super-Earth · K-type orange
Radius 1.32 R⊕ · 861.3 ly
K2-233 b
Super-Earth · K-type orange
Radius 1.32 R⊕ · 220.2 ly
Kepler-1671 b
Super-Earth · K-type orange
Radius 1.33 R⊕ · 1,164.6 ly