Key parameters at a glance
- A radius of 1.59 Earth radii
- A mass of 3.15 Earth masses
- Surface gravity around 1.25 g
- An orbital period of 12.163 days
- Semi-major axis 0.0970 AU
- Equilibrium temperature 882 K (609 °C)
- Distance from Earth 3,051.01 light-years
- Earth Similarity Index 0.335
- Travel time at Voyager 1 speed 53,804,616 years
1 sibling around Kepler-382
Kepler-382 c 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-382 b | Super-Earth | 1.32 | 2.30 | 5.262 | 1,166 | 2014 |
| Kepler-382 c this | Super-Earth | 1.59 | 3.15 | 12.163 | 882 | 2014 |
Kepler-382 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#588of 1176
top 49.9%
This planet
1.59R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-382 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.59 | 11.21 |
| Mass (M⊕) | 1.00 | 3.15 | 317.83 |
| Density (g/cm³) | 5.51 | 4.31 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.25 | 2.53 |
| Insolation (S⊕) | 1.00 | 124.74 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 268612521
Gaia DR2
Gaia DR2 2085261705174452736
Gaia DR3
Gaia DR3 2085261705174452736
System
Kepler-382
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 12.16 Earth days (3.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0970 AU.
Transit Fingerprint
Depth
0.031 %
Duration
1.958 h
Impact parameter b
0.030
Rp / R★
0.016431
Transit midpoint (BJD)
2,454,970.5327
Photometric dip
Transit produces a flux drop of 306 ppm lasting ≈ 1.96 h.
Extended Orbital Architecture
Planet / star radius ratio
0.016431
Semi-major axis / stellar radius
12.790
Impact parameter (b)
0.030
Transit mid-time (BJD)
2,454,970.5327
Angular separation (arcsec)
0.10400
Eq. Temperature
882K
(609 °C)
Insolation (S⊕)
124.74
Earth = 1.00
Earth Similarity (ESI)
0.335
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-382
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,600 K — cooler than the Sun (5,778 K)
Estimated Age
7.08 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.945 R☉
Stellar Mass
1.002 M☉
Metallicity [Fe/H]
0.08
Extended Stellar Properties
Surface gravity (log g)
4.401 dex
Stellar density
0.740 g/cm³
Metallicity ratio
[M/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.041 mas
Total Proper Motion
12.080 mas/yr
PM Right Ascension
9.35 mas/yr
PM Declination
7.65 mas/yr
Galactic Cartesian (pc)
x = 0.339 · y = -0.608 · z = 0.718
Equatorial (J2000)
RA 299.13624° · Dec 45.86996°
Galactic ℓ, b
80.368° · 8.836°
Ecliptic λ, β
321.205° · 64.218°
HTM-20 index
-1885516797
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