Key parameters at a glance

A radius of 1.24 Earth radii
A mass of 2.07 Earth masses
Surface gravity around 1.35 g
An orbital period of 2.892 days
Semi-major axis 0.0340 AU
Equilibrium temperature 794 K (521 °C)
Distance from Earth 1,232.79 light-years
Earth Similarity Index 0.394
Travel time at Voyager 1 speed 21,740,275 years
Almost certainly tidally locked to its host star given the close orbit

Kepler-1096 b Planet Profile

Physical Specs

Radius

1.24 R⊕

Radius (Jupiter)

0.111 R♃

Mass

2.07 M⊕

Mass (Jupiter)

0.007 M♃

Density

5.97 g/cm³

Surface Gravity

1.35 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.394

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

#4of 570

top 0.5%

This planet

1.24R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-354 d 1.24 R⊕ Kepler-373 c 1.24 R⊕ Kepler-383 c 1.24 R⊕

Metric	Earth	Kepler-1096 b	Jupiter
Radius (R⊕)	1.00	1.24	11.21
Mass (M⊕)	1.00	2.07	317.83
Density (g/cm³)	5.51	5.97	1.33
Surface Gravity (g)	1.00	1.35	2.53
Insolation (S⊕)	1.00	124.87	0.037

Star Catalogue Identifiers

TIC

TIC 271255413

Gaia DR2

Gaia DR2 2080058266393766656

Gaia DR3

Gaia DR3 2080058266393766656

System

Kepler-1096

Percentile among Rocky Terrestrial cohort

Radius 1.240 R⊕ · percentile 98 / cohort 570

Mass 2.070 M⊕ · percentile 89 / cohort 570

Orbital period 2.89 d · percentile 33 / cohort 567

Distance 377.98 pc · percentile 50 / cohort 566

ESI 0.394 · percentile 59 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

2.892 days

Semi-major axis

0.0340 AU

Eccentricity

0.000

Inclination

85.46 °

Year Length

A year here lasts approximately 2.89 Earth days (0.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0340 AU.

Transit Fingerprint

Depth

0.039 %

Duration

1.366 h

Impact parameter b

0.480

Rp / R★

0.017961

Transit midpoint (BJD)

2,454,965.8771

Photometric dip

Transit produces a flux drop of 386 ppm lasting ≈ 1.37 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017961

Semi-major axis / stellar radius

14.550

Impact parameter (b)

0.480

Transit mid-time (BJD)

2,454,965.8771

Angular separation (arcsec)

0.09000

Eq. Temperature

794K

(521 °C)

Insolation (S⊕)

124.87

Earth = 1.00

Earth Similarity (ESI)

0.394

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

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-1096

Spectral Class

K-type orange

Effective Temperature

4,306 K — cooler than the Sun (5,778 K)

Estimated Age

3.80 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.630 R☉

Stellar Mass

0.660 M☉

Metallicity [Fe/H]

-0.10

Extended Stellar Properties

Surface gravity (log g)

4.660 dex

Stellar density

6.959 g/cm³

Metallicity ratio

[Fe/H]

Distance

377.98 parsec

Light-years 1,232.79 ly

V-band magnitude

15.44 mag

Voyager-speed travel 21,740,275 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.617 mas

Total Proper Motion

19.333 mas/yr

PM Right Ascension

14.38 mas/yr

PM Declination

12.92 mas/yr

Galactic Cartesian (pc)

x = 0.291 · y = -0.631 · z = 0.719

Equatorial (J2000)

RA 294.70947° · Dec 45.96955°

Galactic ℓ, b

78.955° · 11.585°

Ecliptic λ, β

314.724° · 65.616°

HTM-20 index

-1263049872