Key parameters at a glance
- A radius of 1.12 Earth radii
- A mass of 1.46 Earth masses
- Surface gravity around 1.16 g
- An orbital period of 22.597 days
- Semi-major axis 0.1480 AU
- Equilibrium temperature 670 K (397 °C)
- Distance from Earth 2,921.31 light-years
- Earth Similarity Index 0.480
- Travel time at Voyager 1 speed 51,517,256 years
1 sibling around Kepler-384
Kepler-384 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-384 b this | Rocky Terrestrial | 1.12 | 1.46 | 22.597 | 670 | 2014 |
| Kepler-384 c | Rocky Terrestrial | 1.13 | 1.51 | 45.348 | 531 | 2014 |
Kepler-384 b Planet Profile
Physical Specs
Classification
Planet Type
Rocky Terrestrial
Discovery
Size rank in cohort
Rank by radius
#193of 570
top 33.7%
This planet
1.12R⊕
Rocky Terrestrial median
1.01R⊕
Nearest-size peers
| Metric | Earth | Kepler-384 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.12 | 11.21 |
| Mass (M⊕) | 1.00 | 1.46 | 317.83 |
| Density (g/cm³) | 5.51 | 5.71 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.16 | 2.53 |
| Insolation (S⊕) | 1.00 | 101.55 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158114249
Gaia DR2
Gaia DR2 2106306495162679552
Gaia DR3
Gaia DR3 2106306495162679552
System
Kepler-384
Percentile among Rocky Terrestrial cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 22.60 Earth days (6.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1480 AU.
Transit Fingerprint
Depth
0.014 %
Duration
6.031 h
Impact parameter b
0.020
Rp / R★
0.010811
Transit midpoint (BJD)
2,454,973.4199
Photometric dip
Transit produces a flux drop of 143 ppm lasting ≈ 6.03 h.
Extended Orbital Architecture
Planet / star radius ratio
0.010811
Semi-major axis / stellar radius
28.190
Impact parameter (b)
0.020
Transit mid-time (BJD)
2,454,973.4199
Angular separation (arcsec)
0.16500
Eq. Temperature
670K
(397 °C)
Insolation (S⊕)
101.55
Earth = 1.00
Earth Similarity (ESI)
0.480
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
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-384
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,577 K — cooler than the Sun (5,778 K)
Estimated Age
12.88 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.882 R☉
Stellar Mass
0.882 M☉
Metallicity [Fe/H]
-0.29
Extended Stellar Properties
Surface gravity (log g)
4.475 dex
Stellar density
0.210 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.088 mas
Total Proper Motion
4.464 mas/yr
PM Right Ascension
2.82 mas/yr
PM Declination
-3.46 mas/yr
Galactic Cartesian (pc)
x = 0.196 · y = -0.682 · z = 0.704
Equatorial (J2000)
RA 286.02611° · Dec 44.78286°
Galactic ℓ, b
75.229° · 16.637°
Ecliptic λ, β
299.542° · 66.586°
HTM-20 index
-1952871808
Similar Worlds
Kepler-1082 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.12 R⊕ · 2,412.1 ly
Kepler-334 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.12 R⊕ · 1,391.3 ly
Kepler-756 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.12 R⊕ · 2,778.8 ly
Kepler-285 c
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.12 R⊕ · 2,688.5 ly
Kepler-1869 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.12 R⊕ · 368.6 ly
Kepler-1695 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.12 R⊕ · 2,580.5 ly