Confirmed Exoplanet Discovered 2016 Habitable Zone

Kepler-967 c

A sub-neptune orbiting the k-type orange Kepler-967, located approximately 1,854.3 light-years from Earth.

Key parameters at a glance

  • A radius of 3.65 Earth radii
  • A mass of 12.90 Earth masses
  • Surface gravity around 0.97 g
  • An orbital period of 198.711 days
  • Semi-major axis 0.6253 AU
  • Equilibrium temperature 258 K (-15 °C)
  • Distance from Earth 1,854.35 light-years
  • Earth Similarity Index 0.609
  • Travel time at Voyager 1 speed 32,701,406 years

1 sibling around Kepler-967

Kepler-967 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-967 b Sub-Neptune 2.35 6.12 13.227 638 2016
Kepler-967 c this Sub-Neptune 3.65 12.90 198.711 258 2016

Kepler-967 c Planet Profile

Physical Specs

Radius
3.65 R⊕
Radius (Jupiter)
0.326 R♃
Mass
12.90 M⊕
Mass (Jupiter)
0.041 M♃
Density
1.46 g/cm³
Surface Gravity
0.97 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.609
HZ Position Habitable
Controversial No

Discovery

Year 2016
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#113of 1978

top 5.7%

This planet

3.65R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Metric Earth Kepler-967 c Jupiter
Radius (R⊕)1.003.6511.21
Mass (M⊕)1.0012.90317.83
Density (g/cm³)5.511.461.33
Surface Gravity (g)1.000.972.53
Insolation (S⊕)1.001.050.037

Star Catalogue Identifiers

TIC

TIC 120962548

Gaia DR2

Gaia DR2 2099980111415659776

Gaia DR3

Gaia DR3 2099980111415659776

System

Kepler-967

Percentile among Sub-Neptune cohort

Radius 3.650 R⊕ · percentile 94 / cohort 1978
Mass 12.900 M⊕ · percentile 87 / cohort 1978
Orbital period 198.71 d · percentile 98 / cohort 1946
Distance 568.55 pc · percentile 51 / cohort 1975
ESI 0.609 · percentile 83 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period
198.711 days
Semi-major axis
0.6253 AU
Eccentricity
0.000
Inclination
89.99 °

Year Length

A year here lasts approximately 198.71 Earth days (54.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.6253 AU.

Transit Fingerprint

Depth

0.217 %

Duration

8.537 h

Impact parameter b

0.080

Rp / R★

0.041734

Transit midpoint (BJD)

2,454,989.5174

Photometric dip

Transit produces a flux drop of 2,171 ppm lasting ≈ 8.54 h.

Extended Orbital Architecture

Planet / star radius ratio

0.041734

Semi-major axis / stellar radius

184.680

Impact parameter (b)

0.080

Transit mid-time (BJD)

2,454,989.5174

Angular separation (arcsec)

1.10000

Eq. Temperature

258K

(-15 °C)

Insolation (S⊕)

1.05

Earth = 1.00

Earth Similarity (ESI)

0.609

0 = alien, 1 = Earth-identical

Within the conservative habitable zone — surface water would be frozen.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-967

Spectral Class

K-type orange

Effective Temperature

5,178 K — cooler than the Sun (5,778 K)

Estimated Age

5.89 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.800 R☉

Stellar Mass

0.840 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.560 dex

Stellar density

2.929 g/cm³

Metallicity ratio

[Fe/H]

Distance
568.55 parsec
Light-years 1,854.35 ly
V-band magnitude
14.70 mag
Voyager-speed travel 32,701,406 yr

Multi-band Host Photometry — 17 bands

8.716.916.88U15.72B14.70V14.45Gaia14.44Kepler13.87TESS15.09Sloan g14.39Sloan r14.10Sloan i13.95Sloan z12.99J12.54H12.40K12.31W112.32W212.69W38.69W4

Astrometric Data

Parallax

2.687 mas

Total Proper Motion

25.516 mas/yr

PM Right Ascension

-13.06 mas/yr

PM Declination

-21.92 mas/yr

Galactic Cartesian (pc)

x = 0.223 · y = -0.751 · z = 0.621

Equatorial (J2000)

RA 286.55801° · Dec 38.40524°

Galactic ℓ, b

69.303° · 13.785°

Ecliptic λ, β

296.799° · 60.313°

HTM-20 index

798207742

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