Confirmed Exoplanet Discovered 2016

Kepler-495 b

A neptune-like orbiting the g-type yellow (sun-like) Kepler-495, located approximately 2,149.1 light-years from Earth.

Key parameters at a glance

  • A radius of 5.23 Earth radii
  • A mass of 23.80 Earth masses
  • Surface gravity around 0.87 g
  • An orbital period of 3.413 days
  • Semi-major axis 0.0427 AU
  • Equilibrium temperature 1,200 K (927 °C)
  • Distance from Earth 2,149.12 light-years
  • Earth Similarity Index 0.149
  • Travel time at Voyager 1 speed 37,899,732 years

1 sibling around Kepler-495

Kepler-495 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-495 b this Neptune-like 5.23 23.80 3.413 1,200 2016
Kepler-495 c Rocky Terrestrial 1.22 1.98 5.897 1,000 2021

Kepler-495 b Planet Profile

Physical Specs

Radius
5.23 R⊕
Radius (Jupiter)
0.467 R♃
Mass
23.80 M⊕
Mass (Jupiter)
0.075 M♃
Density
0.91 g/cm³
Surface Gravity
0.87 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.149
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

#352of 574

top 61.1%

This planet

5.23R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

Metric Earth Kepler-495 b Jupiter
Radius (R⊕)1.005.2311.21
Mass (M⊕)1.0023.80317.83
Density (g/cm³)5.510.911.33
Surface Gravity (g)1.000.872.53
Insolation (S⊕)1.00310.020.037

Star Catalogue Identifiers

TIC

TIC 120692092

Gaia DR2

Gaia DR2 2100073393808483328

Gaia DR3

Gaia DR3 2100073393808483328

System

Kepler-495

Percentile among Neptune-like cohort

Radius 5.230 R⊕ · percentile 39 / cohort 574
Mass 23.800 M⊕ · percentile 40 / cohort 574
Orbital period 3.41 d · percentile 7 / cohort 524
Distance 658.92 pc · percentile 63 / cohort 572
ESI 0.149 · percentile 13 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period
3.413 days
Semi-major axis
0.0427 AU
Eccentricity
0.000
Inclination
89.75 °

Year Length

A year here lasts approximately 3.41 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0427 AU.

Transit Fingerprint

Depth

0.387 %

Duration

2.608 h

Impact parameter b

0.046

Rp / R★

0.058343

Transit midpoint (BJD)

2,454,965.4431

Photometric dip

Transit produces a flux drop of 3,869 ppm lasting ≈ 2.61 h.

Extended Orbital Architecture

Planet / star radius ratio

0.058343

Semi-major axis / stellar radius

10.541

Impact parameter (b)

0.046

Transit mid-time (BJD)

2,454,965.4431

Angular separation (arcsec)

0.06480

Eq. Temperature

1,200K

(927 °C)

Insolation (S⊕)

310.02

Earth = 1.00

Earth Similarity (ESI)

0.149

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-495

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,346 K — cooler than the Sun (5,778 K)

Estimated Age

4.37 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.830 R☉

Stellar Mass

0.860 M☉

Metallicity [Fe/H]

-0.07

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

1.902 g/cm³

Metallicity ratio

[Fe/H]

Distance
658.92 parsec
Light-years 2,149.12 ly
V-band magnitude
14.94 mag
Voyager-speed travel 37,899,732 yr

Multi-band Host Photometry — 17 bands

9.216.916.87U15.77B14.94V14.61Gaia14.62Kepler14.07TESS15.17Sloan g14.54Sloan r14.33Sloan i14.21Sloan z13.31J12.86H12.81K12.74W112.80W212.39W39.17W4

Astrometric Data

Parallax

1.489 mas

Total Proper Motion

5.948 mas/yr

PM Right Ascension

5.05 mas/yr

PM Declination

-3.15 mas/yr

Galactic Cartesian (pc)

x = 0.213 · y = -0.746 · z = 0.631

Equatorial (J2000)

RA 285.93074° · Dec 39.09812°

Galactic ℓ, b

69.755° · 14.511°

Ecliptic λ, β

296.148° · 61.099°

HTM-20 index

543434305

Similar Worlds

Explore Related Categories