Confirmed Exoplanet Discovered 2016

Kepler-1464 b

A super-earth orbiting the g-type yellow (sun-like) Kepler-1464, located approximately 3,756.4 light-years from Earth.

Key parameters at a glance

  • A radius of 1.66 Earth radii
  • A mass of 3.39 Earth masses
  • Surface gravity around 1.23 g
  • An orbital period of 31.779 days
  • Semi-major axis 0.2007 AU
  • Equilibrium temperature 564 K (291 °C)
  • Distance from Earth 3,756.44 light-years
  • Earth Similarity Index 0.515
  • Travel time at Voyager 1 speed 66,244,754 years

1 sibling around Kepler-1464

Kepler-1464 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-1464 c Rocky Terrestrial 1.00 0.97 5.328 1,023 2016
Kepler-1464 b this Super-Earth 1.66 3.39 31.779 564 2016

Kepler-1464 b Planet Profile

Physical Specs

Radius
1.66 R⊕
Radius (Jupiter)
0.148 R♃
Mass
3.39 M⊕
Mass (Jupiter)
0.011 M♃
Density
4.07 g/cm³
Surface Gravity
1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.515
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

#469of 1176

top 39.8%

This planet

1.66R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1464 b Jupiter
Radius (R⊕)1.001.6611.21
Mass (M⊕)1.003.39317.83
Density (g/cm³)5.514.071.33
Surface Gravity (g)1.001.232.53
Insolation (S⊕)1.0089.470.037

Star Catalogue Identifiers

TIC

TIC 121123737

Gaia DR2

Gaia DR2 2099619059285601280

Gaia DR3

Gaia DR3 2099619059285601280

System

Kepler-1464

Percentile among Super-Earth cohort

Radius 1.660 R⊕ · percentile 59 / cohort 1176
Mass 3.390 M⊕ · percentile 54 / cohort 1176
Orbital period 31.78 d · percentile 92 / cohort 1164
Distance 1,151.73 pc · percentile 88 / cohort 1171
ESI 0.515 · percentile 74 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
31.779 days
Semi-major axis
0.2007 AU
Eccentricity
0.000
Inclination
89.43 °

Year Length

A year here lasts approximately 31.78 Earth days (8.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2007 AU.

Transit Fingerprint

Depth

0.026 %

Duration

8.056 h

Impact parameter b

0.290

Rp / R★

0.015069

Transit midpoint (BJD)

2,454,969.7685

Photometric dip

Transit produces a flux drop of 262 ppm lasting ≈ 8.06 h.

Extended Orbital Architecture

Planet / star radius ratio

0.015069

Semi-major axis / stellar radius

30.560

Impact parameter (b)

0.290

Transit mid-time (BJD)

2,454,969.7685

Angular separation (arcsec)

0.17400

Eq. Temperature

564K

(291 °C)

Insolation (S⊕)

89.47

Earth = 1.00

Earth Similarity (ESI)

0.515

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-1464

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,828 K — hotter than the Sun (5,778 K)

Estimated Age

3.89 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.010 R☉

Stellar Mass

1.020 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.440 dex

Stellar density

0.260 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,151.73 parsec
Light-years 3,756.44 ly
V-band magnitude
14.36 mag
Voyager-speed travel 66,244,754 yr

Multi-band Host Photometry — 17 bands

8.716.116.09U15.62B14.36V14.13Gaia14.16Kepler13.63TESS14.61Sloan g14.06Sloan r13.87Sloan i13.79Sloan z12.88J12.54H12.51K12.49W112.52W211.99W38.74W4

Astrometric Data

Parallax

0.839 mas

Total Proper Motion

16.181 mas/yr

PM Right Ascension

0.01 mas/yr

PM Declination

-16.18 mas/yr

Galactic Cartesian (pc)

x = 0.231 · y = -0.745 · z = 0.626

Equatorial (J2000)

RA 287.23568° · Dec 38.75408°

Galactic ℓ, b

69.852° · 13.443°

Ecliptic λ, β

298.008° · 60.528°

HTM-20 index

-688055635

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