Key parameters at a glance

A radius of 1.43 Earth radii
A mass of 2.63 Earth masses
Surface gravity around 1.29 g
An orbital period of 10.311 days
Semi-major axis 0.0917 AU
Equilibrium temperature 786 K (513 °C)
Distance from Earth 8,033.03 light-years
Earth Similarity Index 0.390
Travel time at Voyager 1 speed 141,662,416 years

Kepler-1380 b Planet Profile

Physical Specs

Radius

1.43 R⊕

Radius (Jupiter)

0.128 R♃

Mass

2.63 M⊕

Mass (Jupiter)

0.008 M♃

Density

4.94 g/cm³

Surface Gravity

1.29 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.390

HZ Position Inner

Controversial No

Discovery

Year 2016

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#864of 1176

top 73.4%

This planet

1.43R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-334 c 1.43 R⊕ Kepler-399 c 1.43 R⊕ Kepler-311 c 1.43 R⊕

Metric	Earth	Kepler-1380 b	Jupiter
Radius (R⊕)	1.00	1.43	11.21
Mass (M⊕)	1.00	2.63	317.83
Density (g/cm³)	5.51	4.94	1.33
Surface Gravity (g)	1.00	1.29	2.53
Insolation (S⊕)	1.00	90.10	0.037

Star Catalogue Identifiers

TIC

TIC 158633475

Gaia DR2

Gaia DR2 2102530188118854656

Gaia DR3

Gaia DR3 2102530188118854656

System

Kepler-1380

Percentile among Super-Earth cohort

Radius 1.430 R⊕ · percentile 25 / cohort 1176

Mass 2.630 M⊕ · percentile 24 / cohort 1176

Orbital period 10.31 d · percentile 66 / cohort 1164

Distance 2,462.94 pc · percentile 99 / cohort 1171

ESI 0.390 · percentile 58 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

10.311 days

Semi-major axis

0.0917 AU

Eccentricity

0.000

Inclination

89.47 °

Year Length

A year here lasts approximately 10.31 Earth days (2.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0917 AU.

Transit Fingerprint

Depth

0.020 %

Duration

5.643 h

Impact parameter b

0.155

Rp / R★

0.013764

Transit midpoint (BJD)

2,454,974.5117

Photometric dip

Transit produces a flux drop of 204 ppm lasting ≈ 5.64 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013764

Semi-major axis / stellar radius

14.100

Impact parameter (b)

0.155

Transit mid-time (BJD)

2,454,974.5117

Angular separation (arcsec)

0.03720

Eq. Temperature

786K

(513 °C)

Insolation (S⊕)

90.10

Earth = 1.00

Earth Similarity (ESI)

0.390

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

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Discovery cohort

Planets confirmed in 2016 at Kepler (12 shown).

Kepler-1512 b · Rocky Terrestrial Kepler-1410 b · Super-Earth Kepler-560 b · Super-Earth Kepler-1389 b · Super-Earth Kepler-1450 b · Super-Earth Kepler-1544 b · Super-Earth Kepler-1459 b · Super-Earth Kepler-1638 b · Super-Earth Kepler-737 b · Super-Earth Kepler-1185 b · Super-Earth Kepler-1178 b · Rocky Terrestrial Kepler-1040 b · Sub-Neptune

Host System: Kepler-1380

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,570 K — cooler than the Sun (5,778 K)

Estimated Age

4.79 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.940 R☉

Stellar Mass

0.960 M☉

Metallicity [Fe/H]

0.10

Extended Stellar Properties

Surface gravity (log g)

4.480 dex

Stellar density

0.488 g/cm³

Metallicity ratio

[Fe/H]

Distance

2,462.94 parsec

Light-years 8,033.03 ly

V-band magnitude

15.82 mag

Voyager-speed travel 141,662,416 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.375 mas

Total Proper Motion

8.494 mas/yr

PM Right Ascension

-2.81 mas/yr

PM Declination

-8.02 mas/yr

Galactic Cartesian (pc)

x = 0.229 · y = -0.701 · z = 0.675

Equatorial (J2000)

RA 288.11604° · Dec 42.44038°

Galactic ℓ, b

73.601° · 14.332°

Ecliptic λ, β

301.453° · 63.914°

HTM-20 index

-1958938184