Key parameters at a glance

A radius of 1.12 Earth radii
A mass of 1.46 Earth masses
Surface gravity around 1.16 g
An orbital period of 3.976 days
Semi-major axis 0.0464 AU
Equilibrium temperature 936 K (663 °C)
Distance from Earth 1,407.76 light-years
Earth Similarity Index 0.341
Travel time at Voyager 1 speed 24,825,865 years
Almost certainly tidally locked to its host star given the close orbit

Kepler-1164 b Planet Profile

Physical Specs

Radius

1.12 R⊕

Radius (Jupiter)

0.100 R♃

Mass

1.46 M⊕

Mass (Jupiter)

0.005 M♃

Density

5.71 g/cm³

Surface Gravity

1.16 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.341

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

#193of 570

top 33.7%

This planet

1.12R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-381 c 1.12 R⊕ Kepler-1082 b 1.12 R⊕ Kepler-1288 b 1.12 R⊕

Metric	Earth	Kepler-1164 b	Jupiter
Radius (R⊕)	1.00	1.12	11.21
Mass (M⊕)	1.00	1.46	317.83
Density (g/cm³)	5.51	5.71	1.33
Surface Gravity (g)	1.00	1.16	2.53
Insolation (S⊕)	1.00	181.21	0.037

Star Catalogue Identifiers

TIC

TIC 121275496

Gaia DR2

Gaia DR2 2099632837540824192

Gaia DR3

Gaia DR3 2099632837540824192

System

Kepler-1164

Percentile among Rocky Terrestrial cohort

Radius 1.120 R⊕ · percentile 64 / cohort 570

Mass 1.460 M⊕ · percentile 59 / cohort 570

Orbital period 3.98 d · percentile 44 / cohort 567

Distance 431.62 pc · percentile 57 / cohort 566

ESI 0.341 · percentile 49 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

3.976 days

Semi-major axis

0.0464 AU

Eccentricity

0.000

Inclination

88.57 °

Year Length

A year here lasts approximately 3.98 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0464 AU.

Transit Fingerprint

Depth

0.021 %

Duration

2.141 h

Impact parameter b

0.331

Rp / R★

0.013450

Transit midpoint (BJD)

2,454,966.6213

Photometric dip

Transit produces a flux drop of 206 ppm lasting ≈ 2.14 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013450

Semi-major axis / stellar radius

13.220

Impact parameter (b)

0.331

Transit mid-time (BJD)

2,454,966.6213

Angular separation (arcsec)

0.10700

Eq. Temperature

936K

(663 °C)

Insolation (S⊕)

181.21

Earth = 1.00

Earth Similarity (ESI)

0.341

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

Discovery cohort

Planets confirmed in 2016 at Kepler (12 shown).

Kepler-1512 b · Rocky Terrestrial Kepler-1410 b · Super-Earth Kepler-560 b · Super-Earth Kepler-1389 b · Super-Earth Kepler-1450 b · Super-Earth Kepler-1544 b · Super-Earth Kepler-1459 b · Super-Earth Kepler-1638 b · Super-Earth Kepler-737 b · Super-Earth Kepler-1185 b · Super-Earth Kepler-1178 b · Rocky Terrestrial Kepler-1040 b · Sub-Neptune

Host System: Kepler-1164

Spectral Class

K-type orange

Effective Temperature

5,183 K — cooler than the Sun (5,778 K)

Estimated Age

3.63 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.790 R☉

Stellar Mass

0.850 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.570 dex

Stellar density

1.860 g/cm³

Metallicity ratio

[Fe/H]

Distance

431.62 parsec

Light-years 1,407.76 ly

V-band magnitude

14.32 mag

Voyager-speed travel 24,825,865 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

2.288 mas

Total Proper Motion

2.509 mas/yr

PM Right Ascension

-0.01 mas/yr

PM Declination

2.51 mas/yr

Galactic Cartesian (pc)

x = 0.234 · y = -0.742 · z = 0.628

Equatorial (J2000)

RA 287.52964° · Dec 38.89451°

Galactic ℓ, b

70.081° · 13.292°

Ecliptic λ, β

298.529° · 60.609°

HTM-20 index

-686967293