Key parameters at a glance

A radius of 0.86 Earth radii
A mass of 0.57 Earth masses
Surface gravity around 0.77 g
An orbital period of 4.453 days
Semi-major axis 0.0546 AU
Equilibrium temperature 1,331 K (1058 °C)
Distance from Earth 2,296.83 light-years
Earth Similarity Index 0.226
Travel time at Voyager 1 speed 40,504,532 years

Kepler-1435 b Planet Profile

Physical Specs

Radius

0.86 R⊕

Radius (Jupiter)

0.077 R♃

Mass

0.57 M⊕

Mass (Jupiter)

0.002 M♃

Density

4.89 g/cm³

Surface Gravity

0.77 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.226

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

#444of 570

top 77.7%

This planet

0.86R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1361 b 0.86 R⊕ Kepler-352 b 0.86 R⊕ Kepler-107 d 0.86 R⊕

Metric	Earth	Kepler-1435 b	Jupiter
Radius (R⊕)	1.00	0.86	11.21
Mass (M⊕)	1.00	0.57	317.83
Density (g/cm³)	5.51	4.89	1.33
Surface Gravity (g)	1.00	0.77	2.53
Insolation (S⊕)	1.00	893.89	0.037

Star Catalogue Identifiers

TIC

TIC 159647919

Gaia DR2

Gaia DR2 2126632994828732032

Gaia DR3

Gaia DR3 2126632994828732032

System

Kepler-1435

Percentile among Rocky Terrestrial cohort

Radius 0.860 R⊕ · percentile 21 / cohort 570

Mass 0.566 M⊕ · percentile 17 / cohort 570

Orbital period 4.45 d · percentile 49 / cohort 567

Distance 704.21 pc · percentile 80 / cohort 566

ESI 0.226 · percentile 18 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

4.453 days

Semi-major axis

0.0546 AU

Eccentricity

0.000

Inclination

85.80 °

Year Length

A year here lasts approximately 4.45 Earth days (1.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0546 AU.

Transit Fingerprint

Depth

0.005 %

Duration

3.796 h

Impact parameter b

0.395

Rp / R★

0.006443

Transit midpoint (BJD)

2,454,966.0937

Photometric dip

Transit produces a flux drop of 47 ppm lasting ≈ 3.80 h.

Extended Orbital Architecture

Planet / star radius ratio

0.006443

Semi-major axis / stellar radius

7.770

Impact parameter (b)

0.395

Transit mid-time (BJD)

2,454,966.0937

Angular separation (arcsec)

0.07750

Eq. Temperature

1,331K

(1058 °C)

Insolation (S⊕)

893.89

Earth = 1.00

Earth Similarity (ESI)

0.226

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-1435

Spectral Class

F-type yellow-white

Effective Temperature

6,356 K — hotter than the Sun (5,778 K)

Estimated Age

2.63 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.320 R☉

Stellar Mass

1.210 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.280 dex

Stellar density

0.420 g/cm³

Metallicity ratio

[Fe/H]

Distance

704.21 parsec

Light-years 2,296.83 ly

V-band magnitude

12.98 mag

Voyager-speed travel 40,504,532 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.391 mas

Total Proper Motion

10.338 mas/yr

PM Right Ascension

-1.14 mas/yr

PM Declination

-10.28 mas/yr

Galactic Cartesian (pc)

x = 0.256 · y = -0.660 · z = 0.706

Equatorial (J2000)

RA 291.17328° · Dec 44.92108°

Galactic ℓ, b

76.870° · 13.348°

Ecliptic λ, β

308.204° · 65.576°

HTM-20 index

1389757837