Confirmed Exoplanet Discovered 2016

Kepler-1065 c

A super-earth orbiting the g-type yellow (sun-like) Kepler-1065, located approximately 3,661.0 light-years from Earth.

Key parameters at a glance

  • A radius of 1.60 Earth radii
  • A mass of 3.19 Earth masses
  • Surface gravity around 1.25 g
  • An orbital period of 2.370 days
  • Semi-major axis 0.0344 AU
  • Equilibrium temperature 1,256 K (983 °C)
  • Distance from Earth 3,661.04 light-years
  • Earth Similarity Index 0.227
  • Travel time at Voyager 1 speed 64,562,364 years

1 sibling around Kepler-1065

Kepler-1065 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-1065 c this Super-Earth 1.60 3.19 2.370 1,256 2016
Kepler-1065 b Sub-Neptune 3.73 13.40 3.609 1,092 2016

Kepler-1065 c Planet Profile

Physical Specs

Radius
1.60 R⊕
Radius (Jupiter)
0.143 R♃
Mass
3.19 M⊕
Mass (Jupiter)
0.010 M♃
Density
4.28 g/cm³
Surface Gravity
1.25 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.227
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

#570of 1176

top 48.4%

This planet

1.60R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1065 c Jupiter
Radius (R⊕)1.001.6011.21
Mass (M⊕)1.003.19317.83
Density (g/cm³)5.514.281.33
Surface Gravity (g)1.001.252.53
Insolation (S⊕)1.00734.620.037

Star Catalogue Identifiers

TIC

TIC 378012771

Gaia DR2

Gaia DR2 2052203273182353920

Gaia DR3

Gaia DR3 2052203273182353920

System

Kepler-1065

Percentile among Super-Earth cohort

Radius 1.600 R⊕ · percentile 50 / cohort 1176
Mass 3.190 M⊕ · percentile 46 / cohort 1176
Orbital period 2.37 d · percentile 15 / cohort 1164
Distance 1,122.48 pc · percentile 87 / cohort 1171
ESI 0.227 · percentile 18 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
2.370 days
Semi-major axis
0.0344 AU
Eccentricity
0.000
Inclination
89.98 °

Year Length

A year here lasts approximately 2.37 Earth days (0.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0344 AU.

Transit Fingerprint

Depth

0.032 %

Duration

1.845 h

Impact parameter b

0.393

Rp / R★

0.016454

Transit midpoint (BJD)

2,454,966.6749

Photometric dip

Transit produces a flux drop of 317 ppm lasting ≈ 1.85 h.

Extended Orbital Architecture

Planet / star radius ratio

0.016454

Semi-major axis / stellar radius

9.230

Impact parameter (b)

0.393

Transit mid-time (BJD)

2,454,966.6749

Angular separation (arcsec)

0.03060

Eq. Temperature

1,256K

(983 °C)

Insolation (S⊕)

734.62

Earth = 1.00

Earth Similarity (ESI)

0.227

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-1065

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,635 K — cooler than the Sun (5,778 K)

Estimated Age

4.47 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.930 R☉

Stellar Mass

0.940 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

4.490 dex

Stellar density

2.645 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,122.48 parsec
Light-years 3,661.04 ly
V-band magnitude
15.74 mag
Voyager-speed travel 64,562,364 yr

Multi-band Host Photometry — 16 bands

9.416.215.00B15.74V15.50Gaia15.54Kepler14.96TESS16.15Sloan g15.49Sloan r15.28Sloan i15.19Sloan z14.18J13.80H13.67K13.64W113.79W212.86W39.43W4

Astrometric Data

Parallax

0.864 mas

Total Proper Motion

2.420 mas/yr

PM Right Ascension

-0.39 mas/yr

PM Declination

-2.39 mas/yr

Galactic Cartesian (pc)

x = 0.323 · y = -0.709 · z = 0.626

Equatorial (J2000)

RA 294.51132° · Dec 38.79046°

Galactic ℓ, b

72.434° · 8.370°

Ecliptic λ, β

308.846° · 58.968°

HTM-20 index

-2110424922

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