Key parameters at a glance

A radius of 0.97 Earth radii
A mass of 0.87 Earth masses
Surface gravity around 0.93 g
An orbital period of 2.418 days
Semi-major axis 0.0378 AU
Equilibrium temperature 1,602 K (1329 °C)
Distance from Earth 1,936.21 light-years
Earth Similarity Index 0.188
Travel time at Voyager 1 speed 34,145,098 years

Kepler-1443 b Planet Profile

Physical Specs

Radius

0.97 R⊕

Radius (Jupiter)

0.087 R♃

Mass

0.87 M⊕

Mass (Jupiter)

0.003 M♃

Density

5.24 g/cm³

Surface Gravity

0.93 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.188

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

#362of 570

top 63.3%

This planet

0.97R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1297 b 0.97 R⊕ Kepler-1285 b 0.97 R⊕ Kepler-1293 b 0.97 R⊕

Metric	Earth	Kepler-1443 b	Jupiter
Radius (R⊕)	1.00	0.97	11.21
Mass (M⊕)	1.00	0.87	317.83
Density (g/cm³)	5.51	5.24	1.33
Surface Gravity (g)	1.00	0.93	2.53
Insolation (S⊕)	1.00	2,809.17	0.037

Star Catalogue Identifiers

TIC

TIC 164525743

Gaia DR2

Gaia DR2 2107568970730102272

Gaia DR3

Gaia DR3 2107568970730102272

System

Kepler-1443

Percentile among Rocky Terrestrial cohort

Radius 0.970 R⊕ · percentile 36 / cohort 570

Mass 0.871 M⊕ · percentile 32 / cohort 570

Orbital period 2.42 d · percentile 28 / cohort 567

Distance 593.65 pc · percentile 72 / cohort 566

ESI 0.188 · percentile 12 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

2.418 days

Semi-major axis

0.0378 AU

Eccentricity

0.000

Inclination

89.89 °

Year Length

A year here lasts approximately 2.42 Earth days (0.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0378 AU.

Transit Fingerprint

Depth

0.005 %

Duration

2.194 h

Impact parameter b

0.016

Rp / R★

0.006506

Transit midpoint (BJD)

2,454,965.3828

Photometric dip

Transit produces a flux drop of 46 ppm lasting ≈ 2.19 h.

Extended Orbital Architecture

Planet / star radius ratio

0.006506

Semi-major axis / stellar radius

6.730

Impact parameter (b)

0.016

Transit mid-time (BJD)

2,454,965.3828

Angular separation (arcsec)

0.06370

Eq. Temperature

1,602K

(1329 °C)

Insolation (S⊕)

2,809.17

Earth = 1.00

Earth Similarity (ESI)

0.188

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-1443

Spectral Class

F-type yellow-white

Effective Temperature

6,289 K — hotter than the Sun (5,778 K)

Estimated Age

2.63 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.270 R☉

Stellar Mass

1.190 M☉

Metallicity [Fe/H]

0.00

Extended Stellar Properties

Surface gravity (log g)

4.300 dex

Stellar density

0.300 g/cm³

Systemic radial velocity

3.02 km/s

Rotational v·sin i

14.70 km/s

Metallicity ratio

[Fe/H]

Distance

593.65 parsec

Light-years 1,936.21 ly

V-band magnitude

12.31 mag

Voyager-speed travel 34,145,098 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.658 mas

Total Proper Motion

11.067 mas/yr

PM Right Ascension

-3.09 mas/yr

PM Declination

-10.63 mas/yr

Galactic Cartesian (pc)

x = 0.158 · y = -0.663 · z = 0.732

Equatorial (J2000)

RA 283.43574° · Dec 47.06680°

Galactic ℓ, b

76.800° · 19.132°

Ecliptic λ, β

296.556° · 69.270°

HTM-20 index

1370440452