Confirmed Exoplanet Discovered 2016

Kepler-937 b

A sub-neptune orbiting the f-type yellow-white Kepler-937, located approximately 5,125.4 light-years from Earth.

Key parameters at a glance

  • A radius of 3.72 Earth radii
  • A mass of 13.40 Earth masses
  • Surface gravity around 0.97 g
  • An orbital period of 67.669 days
  • Semi-major axis 0.3214 AU
  • Equilibrium temperature 495 K (222 °C)
  • Distance from Earth 5,125.41 light-years
  • Earth Similarity Index 0.426
  • Travel time at Voyager 1 speed 90,386,619 years

1 sibling around Kepler-937

Kepler-937 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-937 b this Sub-Neptune 3.72 13.40 67.669 495 2016
Kepler-937 c Sub-Neptune 2.67 7.61 153.343 377 2016

Kepler-937 b Planet Profile

Physical Specs

Radius
3.72 R⊕
Radius (Jupiter)
0.332 R♃
Mass
13.40 M⊕
Mass (Jupiter)
0.042 M♃
Density
1.43 g/cm³
Surface Gravity
0.97 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.426
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

#81of 1978

top 4.0%

This planet

3.72R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Metric Earth Kepler-937 b Jupiter
Radius (R⊕)1.003.7211.21
Mass (M⊕)1.0013.40317.83
Density (g/cm³)5.511.431.33
Surface Gravity (g)1.000.972.53
Insolation (S⊕)1.0020.630.037

Star Catalogue Identifiers

TIC

TIC 270854155

Gaia DR2

Gaia DR2 2128152897857003264

Gaia DR3

Gaia DR3 2128152897857003264

System

Kepler-937

Percentile among Sub-Neptune cohort

Radius 3.720 R⊕ · percentile 96 / cohort 1978
Mass 13.400 M⊕ · percentile 89 / cohort 1978
Orbital period 67.67 d · percentile 90 / cohort 1946
Distance 1,571.46 pc · percentile 94 / cohort 1975
ESI 0.426 · percentile 58 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period
67.669 days
Semi-major axis
0.3214 AU
Eccentricity
0.000
Inclination
89.61 °

Year Length

A year here lasts approximately 67.67 Earth days (18.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3214 AU.

Transit Fingerprint

Depth

0.096 %

Duration

9.623 h

Impact parameter b

0.783

Rp / R★

0.027750

Transit midpoint (BJD)

2,455,031.1965

Photometric dip

Transit produces a flux drop of 961 ppm lasting ≈ 9.62 h.

Extended Orbital Architecture

Planet / star radius ratio

0.027750

Semi-major axis / stellar radius

34.100

Impact parameter (b)

0.783

Transit mid-time (BJD)

2,455,031.1965

Angular separation (arcsec)

0.20500

Eq. Temperature

495K

(222 °C)

Insolation (S⊕)

20.63

Earth = 1.00

Earth Similarity (ESI)

0.426

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: Kepler-937

Spectral Class

F-type yellow-white

Effective Temperature

6,095 K — hotter than the Sun (5,778 K)

Estimated Age

3.24 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.220 R☉

Stellar Mass

1.150 M☉

Metallicity [Fe/H]

0.08

Extended Stellar Properties

Surface gravity (log g)

4.320 dex

Stellar density

0.654 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,571.46 parsec
Light-years 5,125.41 ly
V-band magnitude
15.41 mag
Voyager-speed travel 90,386,619 yr

Multi-band Host Photometry — 16 bands

9.616.316.30B15.41V15.19Gaia15.22Kepler14.70TESS15.70Sloan g15.19Sloan r15.02Sloan i14.93Sloan z14.03J13.76H13.68K13.61W113.71W213.28W39.62W4

Astrometric Data

Parallax

0.608 mas

Total Proper Motion

2.846 mas/yr

PM Right Ascension

1.29 mas/yr

PM Declination

2.54 mas/yr

Galactic Cartesian (pc)

x = 0.281 · y = -0.626 · z = 0.728

Equatorial (J2000)

RA 294.16881° · Dec 46.71462°

Galactic ℓ, b

79.460° · 12.255°

Ecliptic λ, β

314.627° · 66.449°

HTM-20 index

-1317666582

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