Key parameters at a glance

A radius of 0.96 Earth radii
A mass of 0.84 Earth masses
Surface gravity around 0.91 g
An orbital period of 10.601 days
Semi-major axis 0.0959 AU
Equilibrium temperature 987 K (714 °C)
Distance from Earth 1,651.51 light-years
Earth Similarity Index 0.325
Travel time at Voyager 1 speed 29,124,443 years

Kepler-1445 b Planet Profile

Physical Specs

Radius

0.96 R⊕

Radius (Jupiter)

0.086 R♃

Mass

0.84 M⊕

Mass (Jupiter)

0.003 M♃

Density

5.22 g/cm³

Surface Gravity

0.91 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.325

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

#366of 570

top 64.0%

This planet

0.96R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1650 b 0.96 R⊕ Kepler-399 b 0.96 R⊕ Kepler-524 c 0.96 R⊕

Metric	Earth	Kepler-1445 b	Jupiter
Radius (R⊕)	1.00	0.96	11.21
Mass (M⊕)	1.00	0.84	317.83
Density (g/cm³)	5.51	5.22	1.33
Surface Gravity (g)	1.00	0.91	2.53
Insolation (S⊕)	1.00	248.55	0.037

Star Catalogue Identifiers

TIC

TIC 351766604

Gaia DR2

Gaia DR2 2117151420726319872

Gaia DR3

Gaia DR3 2117151420726319872

System

Kepler-1445

Percentile among Rocky Terrestrial cohort

Radius 0.960 R⊕ · percentile 35 / cohort 570

Mass 0.840 M⊕ · percentile 31 / cohort 570

Orbital period 10.60 d · percentile 80 / cohort 567

Distance 506.36 pc · percentile 65 / cohort 566

ESI 0.325 · percentile 45 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

10.601 days

Semi-major axis

0.0959 AU

Eccentricity

0.000

Inclination

86.66 °

Year Length

A year here lasts approximately 10.60 Earth days (2.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0959 AU.

Transit Fingerprint

Depth

0.006 %

Duration

4.484 h

Impact parameter b

0.511

Rp / R★

0.007337

Transit midpoint (BJD)

2,454,965.9846

Photometric dip

Transit produces a flux drop of 61 ppm lasting ≈ 4.48 h.

Extended Orbital Architecture

Planet / star radius ratio

0.007337

Semi-major axis / stellar radius

15.700

Impact parameter (b)

0.511

Transit mid-time (BJD)

2,454,965.9846

Angular separation (arcsec)

0.18900

Eq. Temperature

987K

(714 °C)

Insolation (S⊕)

248.55

Earth = 1.00

Earth Similarity (ESI)

0.325

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-1445

Spectral Class

F-type yellow-white

Effective Temperature

6,150 K — hotter than the Sun (5,778 K)

Estimated Age

3.80 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.260 R☉

Stellar Mass

1.130 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.280 dex

Stellar density

0.440 g/cm³

Systemic radial velocity

11.79 km/s

Rotational v·sin i

3.40 km/s

Metallicity ratio

[Fe/H]

Distance

506.36 parsec

Light-years 1,651.51 ly

V-band magnitude

12.41 mag

Voyager-speed travel 29,124,443 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.946 mas

Total Proper Motion

12.687 mas/yr

PM Right Ascension

8.39 mas/yr

PM Declination

-9.52 mas/yr

Galactic Cartesian (pc)

x = 0.128 · y = -0.709 · z = 0.694

Equatorial (J2000)

RA 280.24952° · Dec 43.91507°

Galactic ℓ, b

72.862° · 20.210°

Ecliptic λ, β

288.891° · 66.683°

HTM-20 index

-949262631