Confirmed Exoplanet Discovered 2016

Kepler-695 b

A neptune-like orbiting the k-type orange Kepler-695, located approximately 2,749.3 light-years from Earth.

Key parameters at a glance

  • A radius of 9.21 Earth radii
  • A mass of 62.30 Earth masses
  • Surface gravity around 0.73 g
  • An orbital period of 3.040 days
  • Semi-major axis 0.0374 AU
  • Equilibrium temperature 1,021 K (748 °C)
  • Distance from Earth 2,749.32 light-years
  • Earth Similarity Index 0.136
  • Travel time at Voyager 1 speed 48,484,295 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-695 b Planet Profile

Physical Specs

Radius
9.21 R⊕
Radius (Jupiter)
0.822 R♃
Mass
62.30 M⊕
Mass (Jupiter)
0.196 M♃
Density
0.44 g/cm³
Surface Gravity
0.73 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.136
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

#67of 574

top 11.5%

This planet

9.21R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

Metric Earth Kepler-695 b Jupiter
Radius (R⊕)1.009.2111.21
Mass (M⊕)1.0062.30317.83
Density (g/cm³)5.510.441.33
Surface Gravity (g)1.000.732.53
Insolation (S⊕)1.00499.060.037

Star Catalogue Identifiers

TIC

TIC 171974763

Gaia DR2

Gaia DR2 2075107062469670272

Gaia DR3

Gaia DR3 2075107062469670272

System

Kepler-695

Percentile among Neptune-like cohort

Radius 9.210 R⊕ · percentile 88 / cohort 574
Mass 62.300 M⊕ · percentile 80 / cohort 574
Orbital period 3.04 d · percentile 4 / cohort 524
Distance 842.95 pc · percentile 68 / cohort 572
ESI 0.136 · percentile 9 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period
3.040 days
Semi-major axis
0.0374 AU
Eccentricity
0.000
Inclination
85.95 °

Year Length

A year here lasts approximately 3.04 Earth days (0.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0374 AU.

Transit Fingerprint

Depth

1.141 %

Duration

1.839 h

Impact parameter b

0.726

Rp / R★

0.106147

Transit midpoint (BJD)

2,455,002.9490

Photometric dip

Transit produces a flux drop of 11,405 ppm lasting ≈ 1.84 h.

Extended Orbital Architecture

Planet / star radius ratio

0.106147

Semi-major axis / stellar radius

10.410

Impact parameter (b)

0.726

Transit mid-time (BJD)

2,455,002.9490

Angular separation (arcsec)

0.04440

Eq. Temperature

1,021K

(748 °C)

Insolation (S⊕)

499.06

Earth = 1.00

Earth Similarity (ESI)

0.136

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched. 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-695

Spectral Class

K-type orange

Effective Temperature

5,181 K — cooler than the Sun (5,778 K)

Estimated Age

4.47 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.800 R☉

Stellar Mass

0.840 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

4.570 dex

Stellar density

2.417 g/cm³

Metallicity ratio

[Fe/H]

Distance
842.95 parsec
Light-years 2,749.32 ly
V-band magnitude
15.26 mag
Voyager-speed travel 48,484,295 yr

Multi-band Host Photometry — 16 bands

9.116.216.22B15.26V15.11Gaia15.03Kepler14.46TESS15.82Sloan g14.98Sloan r14.69Sloan i14.51Sloan z13.51J13.02H12.92K12.65W112.70W212.04W39.05W4

Astrometric Data

Parallax

1.158 mas

Total Proper Motion

4.312 mas/yr

PM Right Ascension

4.31 mas/yr

PM Declination

-0.12 mas/yr

Galactic Cartesian (pc)

x = 0.371 · y = -0.660 · z = 0.654

Equatorial (J2000)

RA 299.31609° · Dec 40.82238°

Galactic ℓ, b

76.049° · 6.159°

Ecliptic λ, β

317.010° · 59.569°

HTM-20 index

-730479619

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