Confirmed Exoplanet Discovered 2016

Kepler-460 c

A neptune-like orbiting the f-type yellow-white KIC 5437945, located approximately 4,155.3 light-years from Earth.

Key parameters at a glance

  • A radius of 5.52 Earth radii
  • A mass of 26.10 Earth masses
  • Surface gravity around 0.86 g
  • An orbital period of 220.130 days
  • Semi-major axis 0.7532 AU
  • Equilibrium temperature 389 K (116 °C)
  • Distance from Earth 4,155.26 light-years
  • Earth Similarity Index 0.437
  • Travel time at Voyager 1 speed 73,278,007 years

1 sibling around KIC 5437945

Kepler-460 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-460 c this Neptune-like 5.52 26.10 220.130 389 2016
KIC 5437945 b Neptune-like 6.40 33.60 440.781 308 2015

Kepler-460 c Planet Profile

Physical Specs

Radius
5.52 R⊕
Radius (Jupiter)
0.492 R♃
Mass
26.10 M⊕
Mass (Jupiter)
0.082 M♃
Density
0.85 g/cm³
Surface Gravity
0.86 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.437
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

#316of 574

top 54.9%

This planet

5.52R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

Metric Earth Kepler-460 c Jupiter
Radius (R⊕)1.005.5211.21
Mass (M⊕)1.0026.10317.83
Density (g/cm³)5.510.851.33
Surface Gravity (g)1.000.862.53
Insolation (S⊕)1.007.400.037

Star Catalogue Identifiers

TIC

TIC 121603086

Gaia DR2

Gaia DR2 2102070660978313472

Gaia DR3

Gaia DR3 2102070660978313472

System

KIC 5437945

Percentile among Neptune-like cohort

Radius 5.520 R⊕ · percentile 45 / cohort 574
Mass 26.100 M⊕ · percentile 44 / cohort 574
Orbital period 220.13 d · percentile 90 / cohort 524
Distance 1,274.01 pc · percentile 80 / cohort 572
ESI 0.437 · percentile 79 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period
220.130 days
Semi-major axis
0.7532 AU
Eccentricity
0.000
Inclination
89.99 °

Year Length

A year here lasts approximately 220.13 Earth days (60.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.7532 AU.

Transit Fingerprint

Depth

0.180 %

Duration

21.445 h

Impact parameter b

0.047

Rp / R★

0.040085

Transit midpoint (BJD)

2,455,078.9859

Photometric dip

Transit produces a flux drop of 1,796 ppm lasting ≈ 21.45 h.

Extended Orbital Architecture

Planet / star radius ratio

0.040085

Semi-major axis / stellar radius

81.481

Impact parameter (b)

0.047

Transit mid-time (BJD)

2,455,078.9859

Angular separation (arcsec)

0.59100

Eq. Temperature

389K

(116 °C)

Insolation (S⊕)

7.40

Earth = 1.00

Earth Similarity (ESI)

0.437

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

Host System: KIC 5437945

Spectral Class

F-type yellow-white

Effective Temperature

6,146 K — hotter than the Sun (5,778 K)

Estimated Age

3.16 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.260 R☉

Stellar Mass

1.170 M☉

Metallicity [Fe/H]

0.06

Extended Stellar Properties

Surface gravity (log g)

4.300 dex

Stellar density

0.211 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,274.01 parsec
Light-years 4,155.26 ly
V-band magnitude
13.83 mag
Voyager-speed travel 73,278,007 yr

Multi-band Host Photometry — 16 bands

9.314.514.47B13.83V13.75Gaia13.77Kepler13.33TESS14.15Sloan g13.74Sloan r13.61Sloan i13.57Sloan z12.67J12.43H12.37K12.21W112.24W212.13W39.27W4

Astrometric Data

Parallax

0.756 mas

Total Proper Motion

15.017 mas/yr

PM Right Ascension

8.32 mas/yr

PM Declination

-12.50 mas/yr

Galactic Cartesian (pc)

x = 0.240 · y = -0.720 · z = 0.651

Equatorial (J2000)

RA 288.47490° · Dec 40.65128°

Galactic ℓ, b

72.033° · 13.355°

Ecliptic λ, β

300.936° · 62.120°

HTM-20 index

-1336935098

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