Key parameters at a glance

A radius of 2.82 Earth radii
A mass of 8.35 Earth masses
Surface gravity around 1.05 g
An orbital period of 86.115 days
Semi-major axis 0.4001 AU
Equilibrium temperature 441 K (168 °C)
Distance from Earth 5,415.76 light-years
Earth Similarity Index 0.528
Travel time at Voyager 1 speed 95,506,837 years

Kepler-1411 b Planet Profile

Physical Specs

Radius

2.82 R⊕

Radius (Jupiter)

0.252 R♃

Mass

8.35 M⊕

Mass (Jupiter)

0.026 M♃

Density

2.05 g/cm³

Surface Gravity

1.05 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.528

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

#720of 1978

top 36.3%

This planet

2.82R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-281 b 2.82 R⊕ Kepler-198 b 2.82 R⊕ Kepler-722 c 2.82 R⊕

Metric	Earth	Kepler-1411 b	Jupiter
Radius (R⊕)	1.00	2.82	11.21
Mass (M⊕)	1.00	8.35	317.83
Density (g/cm³)	5.51	2.05	1.33
Surface Gravity (g)	1.00	1.05	2.53
Insolation (S⊕)	1.00	8.93	0.037

Star Catalogue Identifiers

TIC

TIC 158218591

Gaia DR2

Gaia DR2 2105552127108243456

Gaia DR3

Gaia DR3 2105552127108243456

System

Kepler-1411

Percentile among Sub-Neptune cohort

Radius 2.820 R⊕ · percentile 63 / cohort 1978

Mass 8.350 M⊕ · percentile 58 / cohort 1978

Orbital period 86.12 d · percentile 93 / cohort 1946

Distance 1,660.48 pc · percentile 95 / cohort 1975

ESI 0.528 · percentile 74 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

86.115 days

Semi-major axis

0.4001 AU

Eccentricity

0.000

Inclination

89.99 °

Year Length

A year here lasts approximately 86.12 Earth days (23.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.4001 AU.

Transit Fingerprint

Depth

0.088 %

Duration

6.130 h

Impact parameter b

0.127

Rp / R★

0.027896

Transit midpoint (BJD)

2,454,967.8925

Photometric dip

Transit produces a flux drop of 875 ppm lasting ≈ 6.13 h.

Extended Orbital Architecture

Planet / star radius ratio

0.027896

Semi-major axis / stellar radius

111.520

Impact parameter (b)

0.127

Transit mid-time (BJD)

2,454,967.8925

Angular separation (arcsec)

0.24100

Eq. Temperature

441K

(168 °C)

Insolation (S⊕)

8.93

Earth = 1.00

Earth Similarity (ESI)

0.528

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-1411

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,664 K — cooler than the Sun (5,778 K)

Estimated Age

4.17 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.920 R☉

Stellar Mass

0.950 M☉

Metallicity [Fe/H]

-0.04

Extended Stellar Properties

Surface gravity (log g)

4.490 dex

Stellar density

3.346 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,660.48 parsec

Light-years 5,415.76 ly

V-band magnitude

15.95 mag

Voyager-speed travel 95,506,837 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.573 mas

Total Proper Motion

6.451 mas/yr

PM Right Ascension

-6.35 mas/yr

PM Declination

-1.14 mas/yr

Galactic Cartesian (pc)

x = 0.206 · y = -0.702 · z = 0.682

Equatorial (J2000)

RA 286.36152° · Dec 42.96389°

Galactic ℓ, b

73.573° · 15.723°

Ecliptic λ, β

298.917° · 64.769°

HTM-20 index

1317873326