Key parameters at a glance

A radius of 1.32 Earth radii
A mass of 2.30 Earth masses
Surface gravity around 1.32 g
An orbital period of 2.685 days
Semi-major axis 0.0350 AU
Equilibrium temperature 1,137 K (864 °C)
Distance from Earth 1,354.22 light-years
Earth Similarity Index 0.270
Travel time at Voyager 1 speed 23,881,598 years

Kepler-1179 b Planet Profile

Physical Specs

Radius

1.32 R⊕

Radius (Jupiter)

0.118 R♃

Mass

2.30 M⊕

Mass (Jupiter)

0.007 M♃

Density

5.50 g/cm³

Surface Gravity

1.32 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.270

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

#1049of 1176

top 89.1%

This planet

1.32R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-1506 b 1.32 R⊕ Kepler-383 b 1.32 R⊕ Kepler-157 b 1.32 R⊕

Metric	Earth	Kepler-1179 b	Jupiter
Radius (R⊕)	1.00	1.32	11.21
Mass (M⊕)	1.00	2.30	317.83
Density (g/cm³)	5.51	5.50	1.33
Surface Gravity (g)	1.00	1.32	2.53
Insolation (S⊕)	1.00	288.57	0.037

Star Catalogue Identifiers

TIC

TIC 164658882

Gaia DR2

Gaia DR2 2131625808407771520

Gaia DR3

Gaia DR3 2131625808407771520

System

Kepler-1179

Percentile among Super-Earth cohort

Radius 1.320 R⊕ · percentile 9 / cohort 1176

Mass 2.300 M⊕ · percentile 9 / cohort 1176

Orbital period 2.69 d · percentile 18 / cohort 1164

Distance 415.21 pc · percentile 41 / cohort 1171

ESI 0.270 · percentile 29 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

2.685 days

Semi-major axis

0.0350 AU

Eccentricity

0.000

Inclination

86.69 °

Year Length

A year here lasts approximately 2.69 Earth days (0.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0350 AU.

Transit Fingerprint

Depth

0.027 %

Duration

1.023 h

Impact parameter b

0.126

Rp / R★

0.014848

Transit midpoint (BJD)

2,454,965.6041

Photometric dip

Transit produces a flux drop of 268 ppm lasting ≈ 1.02 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014848

Semi-major axis / stellar radius

20.200

Impact parameter (b)

0.126

Transit mid-time (BJD)

2,454,965.6041

Angular separation (arcsec)

0.08420

Eq. Temperature

1,137K

(864 °C)

Insolation (S⊕)

288.57

Earth = 1.00

Earth Similarity (ESI)

0.270

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

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-1179

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,212 K — cooler than the Sun (5,778 K)

Estimated Age

4.90 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.810 R☉

Stellar Mass

0.840 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.560 dex

Stellar density

1.950 g/cm³

Systemic radial velocity

-26.04 km/s

Rotational v·sin i

3.20 km/s

Metallicity ratio

[Fe/H]

Distance

415.21 parsec

Light-years 1,354.22 ly

V-band magnitude

14.21 mag

Voyager-speed travel 23,881,598 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.380 mas

Total Proper Motion

37.109 mas/yr

PM Right Ascension

-27.22 mas/yr

PM Declination

-25.22 mas/yr

Galactic Cartesian (pc)

x = 0.164 · y = -0.651 · z = 0.741

Equatorial (J2000)

RA 284.09743° · Dec 47.81049°

Galactic ℓ, b

77.701° · 18.962°

Ecliptic λ, β

298.368° · 69.865°

HTM-20 index

-917498603