Key parameters at a glance

A radius of 1.71 Earth radii
A mass of 3.57 Earth masses
Surface gravity around 1.22 g
An orbital period of 14.375 days
Semi-major axis 0.1186 AU
Equilibrium temperature 786 K (513 °C)
Distance from Earth 2,353.33 light-years
Earth Similarity Index 0.369
Travel time at Voyager 1 speed 41,500,909 years

Kepler-1046 b Planet Profile

Physical Specs

Radius

1.71 R⊕

Radius (Jupiter)

0.153 R♃

Mass

3.57 M⊕

Mass (Jupiter)

0.011 M♃

Density

3.92 g/cm³

Surface Gravity

1.22 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.369

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

#385of 1176

top 32.7%

This planet

1.71R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-1167 b 1.71 R⊕ TOI-260 b 1.71 R⊕ KOI-94 b 1.71 R⊕

Metric	Earth	Kepler-1046 b	Jupiter
Radius (R⊕)	1.00	1.71	11.21
Mass (M⊕)	1.00	3.57	317.83
Density (g/cm³)	5.51	3.92	1.33
Surface Gravity (g)	1.00	1.22	2.53
Insolation (S⊕)	1.00	101.40	0.037

Star Catalogue Identifiers

TIC

TIC 272601000

Gaia DR2

Gaia DR2 2080369355161370240

Gaia DR3

Gaia DR3 2080369355161370240

System

Kepler-1046

Percentile among Super-Earth cohort

Radius 1.710 R⊕ · percentile 66 / cohort 1176

Mass 3.570 M⊕ · percentile 61 / cohort 1176

Orbital period 14.38 d · percentile 76 / cohort 1164

Distance 721.53 pc · percentile 62 / cohort 1171

ESI 0.369 · percentile 55 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

14.375 days

Semi-major axis

0.1186 AU

Eccentricity

0.000

Inclination

86.30 °

Year Length

A year here lasts approximately 14.38 Earth days (3.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1186 AU.

Transit Fingerprint

Depth

0.025 %

Duration

2.966 h

Impact parameter b

0.238

Rp / R★

0.014565

Transit midpoint (BJD)

2,454,972.0587

Photometric dip

Transit produces a flux drop of 252 ppm lasting ≈ 2.97 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014565

Semi-major axis / stellar radius

36.520

Impact parameter (b)

0.238

Transit mid-time (BJD)

2,454,972.0587

Angular separation (arcsec)

0.16400

Eq. Temperature

786K

(513 °C)

Insolation (S⊕)

101.40

Earth = 1.00

Earth Similarity (ESI)

0.369

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

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-1046

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,913 K — hotter than the Sun (5,778 K)

Estimated Age

3.63 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.040 R☉

Stellar Mass

1.040 M☉

Metallicity [Fe/H]

0.00

Extended Stellar Properties

Surface gravity (log g)

4.420 dex

Stellar density

0.820 g/cm³

Systemic radial velocity

-1.17 km/s

Rotational v·sin i

6.10 km/s

Metallicity ratio

[Fe/H]

Distance

721.53 parsec

Light-years 2,353.33 ly

V-band magnitude

13.35 mag

Voyager-speed travel 41,500,909 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.790 mas

Total Proper Motion

7.468 mas/yr

PM Right Ascension

6.80 mas/yr

PM Declination

-3.08 mas/yr

Galactic Cartesian (pc)

x = 0.307 · y = -0.609 · z = 0.731

Equatorial (J2000)

RA 296.75581° · Dec 46.99828°

Galactic ℓ, b

80.552° · 10.818°

Ecliptic λ, β

318.897° · 65.956°

HTM-20 index

1228262098