Key parameters at a glance

A radius of 3.41 Earth radii
A mass of 11.50 Earth masses
Surface gravity around 0.99 g
An orbital period of 23.589 days
Semi-major axis 0.1429 AU
Equilibrium temperature 487 K (214 °C)
Distance from Earth 2,037.09 light-years
Earth Similarity Index 0.448
Travel time at Voyager 1 speed 35,924,060 years

Kepler-711 b Planet Profile

Physical Specs

Radius

3.41 R⊕

Radius (Jupiter)

0.304 R♃

Mass

11.50 M⊕

Mass (Jupiter)

0.036 M♃

Density

1.59 g/cm³

Surface Gravity

0.99 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.448

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

#213of 1978

top 10.7%

This planet

3.41R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

HD 191939 b 3.41 R⊕ Kepler-616 c 3.41 R⊕ Kepler-159 c 3.41 R⊕

Metric	Earth	Kepler-711 b	Jupiter
Radius (R⊕)	1.00	3.41	11.21
Mass (M⊕)	1.00	11.50	317.83
Density (g/cm³)	5.51	1.59	1.33
Surface Gravity (g)	1.00	0.99	2.53
Insolation (S⊕)	1.00	15.57	0.037

Star Catalogue Identifiers

TIC

TIC 273234664

Gaia DR2

Gaia DR2 2078511803294780032

Gaia DR3

Gaia DR3 2078511803294780032

System

Kepler-711

Percentile among Sub-Neptune cohort

Radius 3.410 R⊕ · percentile 89 / cohort 1978

Mass 11.500 M⊕ · percentile 83 / cohort 1978

Orbital period 23.59 d · percentile 67 / cohort 1946

Distance 624.58 pc · percentile 54 / cohort 1975

ESI 0.448 · percentile 62 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

23.589 days

Semi-major axis

0.1429 AU

Eccentricity

0.000

Inclination

86.86 °

Year Length

A year here lasts approximately 23.59 Earth days (6.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1429 AU.

Transit Fingerprint

Depth

0.120 %

Duration

4.759 h

Impact parameter b

0.908

Rp / R★

0.038945

Transit midpoint (BJD)

2,455,006.8211

Photometric dip

Transit produces a flux drop of 1,201 ppm lasting ≈ 4.76 h.

Extended Orbital Architecture

Planet / star radius ratio

0.038945

Semi-major axis / stellar radius

18.700

Impact parameter (b)

0.908

Transit mid-time (BJD)

2,455,006.8211

Angular separation (arcsec)

0.22900

Eq. Temperature

487K

(214 °C)

Insolation (S⊕)

15.57

Earth = 1.00

Earth Similarity (ESI)

0.448

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-711

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,222 K — cooler than the Sun (5,778 K)

Estimated Age

4.37 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.800 R☉

Stellar Mass

0.840 M☉

Metallicity [Fe/H]

-0.04

Extended Stellar Properties

Surface gravity (log g)

4.560 dex

Stellar density

0.163 g/cm³

Metallicity ratio

[Fe/H]

Distance

624.58 parsec

Light-years 2,037.09 ly

V-band magnitude

15.64 mag

Voyager-speed travel 35,924,060 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.573 mas

Total Proper Motion

22.669 mas/yr

PM Right Ascension

8.47 mas/yr

PM Declination

-21.03 mas/yr

Galactic Cartesian (pc)

x = 0.338 · y = -0.651 · z = 0.680

Equatorial (J2000)

RA 297.46005° · Dec 42.83982°

Galactic ℓ, b

77.107° · 8.369°

Ecliptic λ, β

316.000° · 61.964°

HTM-20 index

1431901755