Key parameters at a glance

A radius of 1.07 Earth radii
A mass of 1.24 Earth masses
Surface gravity around 1.08 g
An orbital period of 16.295 days
Semi-major axis 0.1160 AU
Equilibrium temperature 574 K (301 °C)
Distance from Earth 1,926.28 light-years
Earth Similarity Index 0.563
Travel time at Voyager 1 speed 33,969,956 years
Almost certainly tidally locked to its host star given the close orbit

Kepler-1470 b Planet Profile

Physical Specs

Radius

1.07 R⊕

Radius (Jupiter)

0.095 R♃

Mass

1.24 M⊕

Mass (Jupiter)

0.004 M♃

Density

5.56 g/cm³

Surface Gravity

1.08 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.563

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

#262of 570

top 45.8%

This planet

1.07R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-376 b 1.07 R⊕ Kepler-186 b 1.07 R⊕ Kepler-1570 b 1.07 R⊕

Metric	Earth	Kepler-1470 b	Jupiter
Radius (R⊕)	1.00	1.07	11.21
Mass (M⊕)	1.00	1.24	317.83
Density (g/cm³)	5.51	5.56	1.33
Surface Gravity (g)	1.00	1.08	2.53
Insolation (S⊕)	1.00	23.92	0.037

Star Catalogue Identifiers

TIC

TIC 121733900

Gaia DR2

Gaia DR2 2101234688543862016

Gaia DR3

Gaia DR3 2101234688543862016

System

Kepler-1470

Percentile among Rocky Terrestrial cohort

Radius 1.070 R⊕ · percentile 53 / cohort 570

Mass 1.240 M⊕ · percentile 48 / cohort 570

Orbital period 16.30 d · percentile 90 / cohort 567

Distance 590.60 pc · percentile 72 / cohort 566

ESI 0.563 · percentile 75 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

16.295 days

Semi-major axis

0.1160 AU

Eccentricity

0.000

Inclination

89.05 °

Year Length

A year here lasts approximately 16.30 Earth days (4.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1160 AU.

Transit Fingerprint

Depth

0.020 %

Duration

3.644 h

Impact parameter b

0.250

Rp / R★

0.013391

Transit midpoint (BJD)

2,454,977.8046

Photometric dip

Transit produces a flux drop of 198 ppm lasting ≈ 3.64 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013391

Semi-major axis / stellar radius

33.600

Impact parameter (b)

0.250

Transit mid-time (BJD)

2,454,977.8046

Angular separation (arcsec)

0.19600

Eq. Temperature

574K

(301 °C)

Insolation (S⊕)

23.92

Earth = 1.00

Earth Similarity (ESI)

0.563

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-1470

Spectral Class

K-type orange

Effective Temperature

4,961 K — cooler than the Sun (5,778 K)

Estimated Age

4.57 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.760 R☉

Stellar Mass

0.800 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

4.590 dex

Stellar density

1.912 g/cm³

Metallicity ratio

[Fe/H]

Distance

590.60 parsec

Light-years 1,926.28 ly

V-band magnitude

15.25 mag

Voyager-speed travel 33,969,956 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.665 mas

Total Proper Motion

30.802 mas/yr

PM Right Ascension

-15.52 mas/yr

PM Declination

-26.60 mas/yr

Galactic Cartesian (pc)

x = 0.246 · y = -0.727 · z = 0.641

Equatorial (J2000)

RA 288.69495° · Dec 39.88308°

Galactic ℓ, b

71.388° · 12.882°

Ecliptic λ, β

300.844° · 61.335°

HTM-20 index

-122010626