Key parameters at a glance

A radius of 2.97 Earth radii
A mass of 9.11 Earth masses
Surface gravity around 1.03 g
An orbital period of 76.613 days
Semi-major axis 0.3521 AU
Equilibrium temperature 466 K (193 °C)
Distance from Earth 3,651.15 light-years
Earth Similarity Index 0.493
Travel time at Voyager 1 speed 64,388,086 years

Kepler-1354 b Planet Profile

Physical Specs

Radius

2.97 R⊕

Radius (Jupiter)

0.265 R♃

Mass

9.11 M⊕

Mass (Jupiter)

0.029 M♃

Density

1.91 g/cm³

Surface Gravity

1.03 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.493

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

#546of 1978

top 27.6%

This planet

2.97R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-949 c 2.97 R⊕ Kepler-993 b 2.97 R⊕ Kepler-741 b 2.97 R⊕

Metric	Earth	Kepler-1354 b	Jupiter
Radius (R⊕)	1.00	2.97	11.21
Mass (M⊕)	1.00	9.11	317.83
Density (g/cm³)	5.51	1.91	1.33
Surface Gravity (g)	1.00	1.03	2.53
Insolation (S⊕)	1.00	18.86	0.037

Star Catalogue Identifiers

TIC

TIC 137096633

Gaia DR2

Gaia DR2 2052568585913107072

Gaia DR3

Gaia DR3 2052568585913107072

System

Kepler-1354

Percentile among Sub-Neptune cohort

Radius 2.970 R⊕ · percentile 72 / cohort 1978

Mass 9.110 M⊕ · percentile 66 / cohort 1978

Orbital period 76.61 d · percentile 91 / cohort 1946

Distance 1,119.45 pc · percentile 84 / cohort 1975

ESI 0.493 · percentile 69 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

76.613 days

Semi-major axis

0.3521 AU

Eccentricity

0.000

Inclination

88.50 °

Year Length

A year here lasts approximately 76.61 Earth days (21.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3521 AU.

Transit Fingerprint

Depth

0.050 %

Duration

9.762 h

Impact parameter b

0.757

Rp / R★

0.022243

Transit midpoint (BJD)

2,454,986.7999

Photometric dip

Transit produces a flux drop of 499 ppm lasting ≈ 9.76 h.

Extended Orbital Architecture

Planet / star radius ratio

0.022243

Semi-major axis / stellar radius

28.900

Impact parameter (b)

0.757

Transit mid-time (BJD)

2,454,986.7999

Angular separation (arcsec)

0.31500

Eq. Temperature

466K

(193 °C)

Insolation (S⊕)

18.86

Earth = 1.00

Earth Similarity (ESI)

0.493

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-1354

Spectral Class

F-type yellow-white

Effective Temperature

6,168 K — hotter than the Sun (5,778 K)

Estimated Age

2.95 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.240 R☉

Stellar Mass

1.160 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.310 dex

Stellar density

0.225 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,119.45 parsec

Light-years 3,651.15 ly

V-band magnitude

14.59 mag

Voyager-speed travel 64,388,086 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

0.865 mas

Total Proper Motion

12.022 mas/yr

PM Right Ascension

-6.35 mas/yr

PM Declination

-10.21 mas/yr

Galactic Cartesian (pc)

x = 0.286 · y = -0.737 · z = 0.612

Equatorial (J2000)

RA 291.24513° · Dec 37.75901°

Galactic ℓ, b

70.311° · 10.172°

Ecliptic λ, β

303.517° · 58.751°

HTM-20 index

1987319484