Confirmed Exoplanet Discovered 2016

Kepler-1190 b

A super-earth orbiting the k-type orange Kepler-1190, located approximately 1,117.1 light-years from Earth.

Key parameters at a glance

  • A radius of 1.33 Earth radii
  • A mass of 2.33 Earth masses
  • Surface gravity around 1.32 g
  • An orbital period of 10.458 days
  • Semi-major axis 0.0845 AU
  • Equilibrium temperature 609 K (336 °C)
  • Distance from Earth 1,117.11 light-years
  • Earth Similarity Index 0.513
  • Travel time at Voyager 1 speed 19,700,298 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1190 b Planet Profile

Physical Specs

Radius
1.33 R⊕
Radius (Jupiter)
0.119 R♃
Mass
2.33 M⊕
Mass (Jupiter)
0.007 M♃
Density
5.44 g/cm³
Surface Gravity
1.32 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.513
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

#1022of 1176

top 86.8%

This planet

1.33R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1190 b Jupiter
Radius (R⊕)1.001.3311.21
Mass (M⊕)1.002.33317.83
Density (g/cm³)5.515.441.33
Surface Gravity (g)1.001.322.53
Insolation (S⊕)1.0024.210.037

Star Catalogue Identifiers

TIC

TIC 48504464

Gaia DR2

Gaia DR2 2132028912560212096

Gaia DR3

Gaia DR3 2132028912560212096

System

Kepler-1190

Percentile among Super-Earth cohort

Radius 1.330 R⊕ · percentile 11 / cohort 1176
Mass 2.330 M⊕ · percentile 11 / cohort 1176
Orbital period 10.46 d · percentile 66 / cohort 1164
Distance 342.51 pc · percentile 36 / cohort 1171
ESI 0.513 · percentile 74 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
10.458 days
Semi-major axis
0.0845 AU
Eccentricity
0.000
Inclination
89.98 °

Year Length

A year here lasts approximately 10.46 Earth days (2.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0845 AU.

Transit Fingerprint

Depth

0.033 %

Duration

3.102 h

Impact parameter b

0.480

Rp / R★

0.016722

Transit midpoint (BJD)

2,454,970.6502

Photometric dip

Transit produces a flux drop of 332 ppm lasting ≈ 3.10 h.

Extended Orbital Architecture

Planet / star radius ratio

0.016722

Semi-major axis / stellar radius

25.730

Impact parameter (b)

0.480

Transit mid-time (BJD)

2,454,970.6502

Angular separation (arcsec)

0.24700

Eq. Temperature

609K

(336 °C)

Insolation (S⊕)

24.21

Earth = 1.00

Earth Similarity (ESI)

0.513

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-1190

Spectral Class

K-type orange

Effective Temperature

4,730 K — cooler than the Sun (5,778 K)

Estimated Age

3.98 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.720 R☉

Stellar Mass

0.760 M☉

Metallicity [Fe/H]

-0.02

Extended Stellar Properties

Surface gravity (log g)

4.620 dex

Stellar density

2.946 g/cm³

Metallicity ratio

[Fe/H]

Distance
342.51 parsec
Light-years 1,117.11 ly
V-band magnitude
14.67 mag
Voyager-speed travel 19,700,298 yr

Multi-band Host Photometry — 16 bands

9.516.116.11B14.67V14.49Gaia14.47Kepler13.83TESS15.37Sloan g14.44Sloan r14.09Sloan i13.95Sloan z12.86J12.30H12.21K12.11W112.20W211.97W39.54W4

Astrometric Data

Parallax

2.891 mas

Total Proper Motion

8.493 mas/yr

PM Right Ascension

4.69 mas/yr

PM Declination

-7.08 mas/yr

Galactic Cartesian (pc)

x = 0.168 · y = -0.628 · z = 0.760

Equatorial (J2000)

RA 284.99966° · Dec 49.47995°

Galactic ℓ, b

79.575° · 18.968°

Ecliptic λ, β

301.589° · 71.278°

HTM-20 index

-269079113

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