Confirmed Exoplanet Discovered 2016

Kepler-1464 c

A rocky terrestrial 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 1.00 Earth radii
  • A mass of 0.97 Earth masses
  • Surface gravity around 0.97 g
  • An orbital period of 5.328 days
  • Semi-major axis 0.0610 AU
  • Equilibrium temperature 1,023 K (750 °C)
  • Distance from Earth 3,756.44 light-years
  • Earth Similarity Index 0.316
  • Travel time at Voyager 1 speed 66,244,754 years

1 sibling around Kepler-1464

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

Kepler-1464 c Planet Profile

Physical Specs

Radius
1.00 R⊕
Radius (Jupiter)
0.089 R♃
Mass
0.97 M⊕
Mass (Jupiter)
0.003 M♃
Density
5.34 g/cm³
Surface Gravity
0.97 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.316
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

#335of 570

top 58.6%

This planet

1.00R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Metric Earth Kepler-1464 c Jupiter
Radius (R⊕)1.001.0011.21
Mass (M⊕)1.000.97317.83
Density (g/cm³)5.515.341.33
Surface Gravity (g)1.000.972.53
Insolation (S⊕)1.00968.560.037

Star Catalogue Identifiers

TIC

TIC 121123737

Gaia DR2

Gaia DR2 2099619059285601280

Gaia DR3

Gaia DR3 2099619059285601280

System

Kepler-1464

Percentile among Rocky Terrestrial cohort

Radius 1.000 R⊕ · percentile 40 / cohort 570
Mass 0.972 M⊕ · percentile 36 / cohort 570
Orbital period 5.33 d · percentile 57 / cohort 567
Distance 1,151.73 pc · percentile 95 / cohort 566
ESI 0.316 · percentile 43 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period
5.328 days
Semi-major axis
0.0610 AU
Eccentricity
0.000
Inclination
89.24 °

Year Length

A year here lasts approximately 5.33 Earth days (1.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0610 AU.

Transit Fingerprint

Depth

0.009 %

Duration

4.678 h

Impact parameter b

0.116

Rp / R★

0.008751

Transit midpoint (BJD)

2,454,966.5483

Photometric dip

Transit produces a flux drop of 87 ppm lasting ≈ 4.68 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008751

Semi-major axis / stellar radius

8.765

Impact parameter (b)

0.116

Transit mid-time (BJD)

2,454,966.5483

Angular separation (arcsec)

0.05300

Eq. Temperature

1,023K

(750 °C)

Insolation (S⊕)

968.56

Earth = 1.00

Earth Similarity (ESI)

0.316

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-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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