Confirmed Exoplanet Discovered 2016

Kepler-1350 c

A super-earth orbiting the k-type orange Kepler-1350, located approximately 1,111.2 light-years from Earth.

Key parameters at a glance

  • A radius of 1.73 Earth radii
  • A mass of 3.64 Earth masses
  • Surface gravity around 1.22 g
  • An orbital period of 1.767 days
  • Semi-major axis 0.0222 AU
  • Equilibrium temperature 730 K (457 °C)
  • Distance from Earth 1,111.18 light-years
  • Earth Similarity Index 0.396
  • Travel time at Voyager 1 speed 19,595,731 years
  • Almost certainly tidally locked to its host star given the close orbit

1 sibling around Kepler-1350

Kepler-1350 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-1350 c this Super-Earth 1.73 3.64 1.767 730 2016
Kepler-1350 b Sub-Neptune 2.52 6.90 4.497 535 2016

Kepler-1350 c Planet Profile

Physical Specs

Radius
1.73 R⊕
Radius (Jupiter)
0.154 R♃
Mass
3.64 M⊕
Mass (Jupiter)
0.012 M♃
Density
3.86 g/cm³
Surface Gravity
1.22 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.396
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

#356of 1176

top 30.2%

This planet

1.73R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1350 c Jupiter
Radius (R⊕)1.001.7311.21
Mass (M⊕)1.003.64317.83
Density (g/cm³)5.513.861.33
Surface Gravity (g)1.001.222.53
Insolation (S⊕)1.0094.050.037

Star Catalogue Identifiers

TIC

TIC 158664221

Gaia DR2

Gaia DR2 2130405728459739520

Gaia DR3

Gaia DR3 2130405728459739520

System

Kepler-1350

Percentile among Super-Earth cohort

Radius 1.730 R⊕ · percentile 68 / cohort 1176
Mass 3.640 M⊕ · percentile 62 / cohort 1176
Orbital period 1.77 d · percentile 11 / cohort 1164
Distance 340.69 pc · percentile 35 / cohort 1171
ESI 0.396 · percentile 59 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
1.767 days
Semi-major axis
0.0222 AU
Eccentricity
0.000
Inclination
89.64 °

Year Length

A year here lasts approximately 1.77 Earth days (0.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0222 AU.

Transit Fingerprint

Depth

0.101 %

Duration

1.340 h

Impact parameter b

0.104

Rp / R★

0.030453

Transit midpoint (BJD)

2,454,966.0832

Photometric dip

Transit produces a flux drop of 1,010 ppm lasting ≈ 1.34 h.

Extended Orbital Architecture

Planet / star radius ratio

0.030453

Semi-major axis / stellar radius

10.402

Impact parameter (b)

0.104

Transit mid-time (BJD)

2,454,966.0832

Angular separation (arcsec)

0.06520

Eq. Temperature

730K

(457 °C)

Insolation (S⊕)

94.05

Earth = 1.00

Earth Similarity (ESI)

0.396

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

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1350

Spectral Class

K-type orange

Effective Temperature

3,827 K — cooler than the Sun (5,778 K)

Estimated Age

4.57 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.530 R☉

Stellar Mass

0.550 M☉

Metallicity [Fe/H]

-0.06

Extended Stellar Properties

Surface gravity (log g)

4.740 dex

Stellar density

4.982 g/cm³

Metallicity ratio

[Fe/H]

Distance
340.69 parsec
Light-years 1,111.18 ly
V-band magnitude
16.58 mag
Voyager-speed travel 19,595,731 yr

Multi-band Host Photometry — 16 bands

9.518.618.62B16.58V16.23Gaia16.28Kepler15.23TESS17.78Sloan g16.39Sloan r15.64Sloan i15.23Sloan z13.99J13.34H13.12K13.04W113.00W212.75W39.50W4

Astrometric Data

Parallax

2.908 mas

Total Proper Motion

24.696 mas/yr

PM Right Ascension

3.73 mas/yr

PM Declination

-24.41 mas/yr

Galactic Cartesian (pc)

x = 0.215 · y = -0.652 · z = 0.728

Equatorial (J2000)

RA 288.25061° · Dec 46.67948°

Galactic ℓ, b

77.672° · 15.925°

Ecliptic λ, β

304.860° · 67.922°

HTM-20 index

1715379503

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