Confirmed Exoplanet Discovered 2016

Kepler-1465 b

A super-earth orbiting the k-type orange Kepler-1465, located approximately 1,172.5 light-years from Earth.

Key parameters at a glance

  • A radius of 1.77 Earth radii
  • A mass of 3.78 Earth masses
  • Surface gravity around 1.21 g
  • An orbital period of 31.828 days
  • Semi-major axis 0.1939 AU
  • Equilibrium temperature 668 K (395 °C)
  • Distance from Earth 1,172.52 light-years
  • Earth Similarity Index 0.429
  • Travel time at Voyager 1 speed 20,677,407 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1465 b Planet Profile

Physical Specs

Radius
1.77 R⊕
Radius (Jupiter)
0.158 R♃
Mass
3.78 M⊕
Mass (Jupiter)
0.012 M♃
Density
3.75 g/cm³
Surface Gravity
1.21 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.429
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

#293of 1176

top 24.8%

This planet

1.77R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1465 b Jupiter
Radius (R⊕)1.001.7711.21
Mass (M⊕)1.003.78317.83
Density (g/cm³)5.513.751.33
Surface Gravity (g)1.001.212.53
Insolation (S⊕)1.006.250.037

Star Catalogue Identifiers

TIC

TIC 416279965

Gaia DR2

Gaia DR2 2139286655674983936

Gaia DR3

Gaia DR3 2139286655674983936

System

Kepler-1465

Percentile among Super-Earth cohort

Radius 1.770 R⊕ · percentile 73 / cohort 1176
Mass 3.780 M⊕ · percentile 67 / cohort 1176
Orbital period 31.83 d · percentile 92 / cohort 1164
Distance 359.50 pc · percentile 37 / cohort 1171
ESI 0.429 · percentile 65 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
31.828 days
Semi-major axis
0.1939 AU
Eccentricity
0.000
Inclination
89.54 °

Year Length

A year here lasts approximately 31.83 Earth days (8.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1939 AU.

Transit Fingerprint

Depth

0.052 %

Duration

1.584 h

Impact parameter b

0.785

Rp / R★

0.023197

Transit midpoint (BJD)

2,454,967.5982

Photometric dip

Transit produces a flux drop of 520 ppm lasting ≈ 1.58 h.

Extended Orbital Architecture

Planet / star radius ratio

0.023197

Semi-major axis / stellar radius

97.300

Impact parameter (b)

0.785

Transit mid-time (BJD)

2,454,967.5982

Angular separation (arcsec)

0.53900

Eq. Temperature

668K

(395 °C)

Insolation (S⊕)

6.25

Earth = 1.00

Earth Similarity (ESI)

0.429

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. 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-1465

Spectral Class

K-type orange

Effective Temperature

4,726 K — cooler than the Sun (5,778 K)

Estimated Age

3.72 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.710 R☉

Stellar Mass

0.750 M☉

Metallicity [Fe/H]

-0.06

Extended Stellar Properties

Surface gravity (log g)

4.620 dex

Stellar density

30.777 g/cm³

Metallicity ratio

[Fe/H]

Distance
359.50 parsec
Light-years 1,172.52 ly
V-band magnitude
14.72 mag
Voyager-speed travel 20,677,407 yr

Multi-band Host Photometry — 16 bands

9.515.915.92B14.72V14.42Gaia14.41Kepler13.74TESS15.30Sloan g14.37Sloan r14.03Sloan i13.85Sloan z12.72J12.16H12.04K12.01W112.04W211.94W39.53W4

Astrometric Data

Parallax

2.756 mas

Total Proper Motion

8.118 mas/yr

PM Right Ascension

7.14 mas/yr

PM Declination

-3.87 mas/yr

Galactic Cartesian (pc)

x = 0.209 · y = -0.580 · z = 0.787

Equatorial (J2000)

RA 289.81942° · Dec 51.90485°

Galactic ℓ, b

83.111° · 16.997°

Ecliptic λ, β

313.620° · 72.350°

HTM-20 index

15457933

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