Key parameters at a glance

A radius of 5.93 Earth radii
A mass of 29.50 Earth masses
Surface gravity around 0.84 g
An orbital period of 49.770 days
Semi-major axis 0.2559 AU
Equilibrium temperature 455 K (182 °C)
Distance from Earth 7,503.32 light-years
Earth Similarity Index 0.372
Travel time at Voyager 1 speed 132,320,981 years

Kepler-943 b Planet Profile

Physical Specs

Radius

5.93 R⊕

Radius (Jupiter)

0.529 R♃

Mass

29.50 M⊕

Mass (Jupiter)

0.093 M♃

Density

0.78 g/cm³

Surface Gravity

0.84 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.372

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

#291of 574

top 50.5%

This planet

5.93R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

TOI-4010 c 5.93 R⊕ Kepler-281 d 5.94 R⊕ GJ 163 d 5.92 R⊕

Metric	Earth	Kepler-943 b	Jupiter
Radius (R⊕)	1.00	5.93	11.21
Mass (M⊕)	1.00	29.50	317.83
Density (g/cm³)	5.51	0.78	1.33
Surface Gravity (g)	1.00	0.84	2.53
Insolation (S⊕)	1.00	10.16	0.037

Star Catalogue Identifiers

TIC

TIC 120106432

Gaia DR2

Gaia DR2 2103725219818080640

Gaia DR3

Gaia DR3 2103725219818080640

System

Kepler-943

Percentile among Neptune-like cohort

Radius 5.930 R⊕ · percentile 49 / cohort 574

Mass 29.500 M⊕ · percentile 49 / cohort 574

Orbital period 49.77 d · percentile 71 / cohort 524

Distance 2,300.53 pc · percentile 91 / cohort 572

ESI 0.372 · percentile 68 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

49.770 days

Semi-major axis

0.2559 AU

Eccentricity

0.000

Inclination

88.80 °

Year Length

A year here lasts approximately 49.77 Earth days (13.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2559 AU.

Transit Fingerprint

Depth

0.353 %

Duration

10.085 h

Impact parameter b

0.779

Rp / R★

0.059748

Transit midpoint (BJD)

2,454,992.9857

Photometric dip

Transit produces a flux drop of 3,529 ppm lasting ≈ 10.09 h.

Extended Orbital Architecture

Planet / star radius ratio

0.059748

Semi-major axis / stellar radius

26.120

Impact parameter (b)

0.779

Transit mid-time (BJD)

2,454,992.9857

Angular separation (arcsec)

0.11100

Eq. Temperature

455K

(182 °C)

Insolation (S⊕)

10.16

Earth = 1.00

Earth Similarity (ESI)

0.372

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-943

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,612 K — cooler than the Sun (5,778 K)

Estimated Age

4.27 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.910 R☉

Stellar Mass

0.930 M☉

Metallicity [Fe/H]

-0.07

Extended Stellar Properties

Surface gravity (log g)

4.500 dex

Stellar density

0.236 g/cm³

Rotational v·sin i

0.50 km/s

Metallicity ratio

[Fe/H]

Distance

2,300.53 parsec

Light-years 7,503.32 ly

V-band magnitude

15.76 mag

Voyager-speed travel 132,320,981 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.404 mas

Total Proper Motion

10.657 mas/yr

PM Right Ascension

-3.51 mas/yr

PM Declination

-10.06 mas/yr

Galactic Cartesian (pc)

x = 0.185 · y = -0.725 · z = 0.663

Equatorial (J2000)

RA 284.27393° · Dec 41.53498°

Galactic ℓ, b

71.587° · 16.613°

Ecliptic λ, β

294.666° · 63.757°

HTM-20 index

1437138975