Confirmed Exoplanet Discovered 2014

Kepler-382 b

A super-earth orbiting the g-type yellow (sun-like) Kepler-382, located approximately 3,051.0 light-years from Earth.

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 5.262 days
  • Semi-major axis 0.0550 AU
  • Equilibrium temperature 1,166 K (893 °C)
  • Distance from Earth 3,051.01 light-years
  • Earth Similarity Index 0.262
  • Travel time at Voyager 1 speed 53,804,616 years

1 sibling around Kepler-382

Kepler-382 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-382 b this Super-Earth 1.32 2.30 5.262 1,166 2014
Kepler-382 c Super-Earth 1.59 3.15 12.163 882 2014

Kepler-382 b Planet Profile

Physical Specs

Radius
1.32 R⊕
Radius (Jupiter)
0.118 R♃
Mass
2.30 M⊕
Mass (Jupiter)
0.007 M♃
Density
5.50 g/cm³
Surface Gravity
1.32 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.262
HZ Position Inner
Controversial No

Discovery

Year 2014
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

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-382 b Jupiter
Radius (R⊕)1.001.3211.21
Mass (M⊕)1.002.30317.83
Density (g/cm³)5.515.501.33
Surface Gravity (g)1.001.322.53
Insolation (S⊕)1.00381.470.037

Star Catalogue Identifiers

TIC

TIC 268612521

Gaia DR2

Gaia DR2 2085261705174452736

Gaia DR3

Gaia DR3 2085261705174452736

System

Kepler-382

Percentile among Super-Earth cohort

Radius 1.320 R⊕ · percentile 9 / cohort 1176
Mass 2.300 M⊕ · percentile 9 / cohort 1176
Orbital period 5.26 d · percentile 42 / cohort 1164
Distance 935.45 pc · percentile 77 / cohort 1171
ESI 0.262 · percentile 27 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
5.262 days
Semi-major axis
0.0550 AU
Eccentricity
0.000
Inclination
85.48 °

Year Length

A year here lasts approximately 5.26 Earth days (1.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0550 AU.

Transit Fingerprint

Depth

0.019 %

Duration

3.229 h

Impact parameter b

0.600

Rp / R★

0.012400

Transit midpoint (BJD)

2,454,969.3677

Photometric dip

Transit produces a flux drop of 195 ppm lasting ≈ 3.23 h.

Extended Orbital Architecture

Planet / star radius ratio

0.012400

Semi-major axis / stellar radius

9.000

Impact parameter (b)

0.600

Transit mid-time (BJD)

2,454,969.3677

Angular separation (arcsec)

0.05880

Eq. Temperature

1,166K

(893 °C)

Insolation (S⊕)

381.47

Earth = 1.00

Earth Similarity (ESI)

0.262

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

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]

Distance
935.45 parsec
Light-years 3,051.01 ly
V-band magnitude
14.91 mag
Voyager-speed travel 53,804,616 yr

Multi-band Host Photometry — 16 bands

9.115.915.89B14.91V14.67Gaia14.62Kepler14.11TESS15.21Sloan g14.60Sloan r14.37Sloan i14.27Sloan z13.40J12.95H12.89K12.85W112.88W212.99W39.07W4

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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