Key parameters at a glance

A radius of 2.41 Earth radii
A mass of 6.39 Earth masses
Surface gravity around 1.10 g
An orbital period of 11.174 days
Semi-major axis 0.0981 AU
Equilibrium temperature 796 K (523 °C)
Distance from Earth 5,040.38 light-years
Earth Similarity Index 0.323
Travel time at Voyager 1 speed 88,887,135 years

Kepler-1182 b Planet Profile

Physical Specs

Radius

2.41 R⊕

Radius (Jupiter)

0.215 R♃

Mass

6.39 M⊕

Mass (Jupiter)

0.020 M♃

Density

2.51 g/cm³

Surface Gravity

1.10 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.323

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

#1312of 1978

top 66.3%

This planet

2.41R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-143 b 2.41 R⊕ Kepler-343 b 2.41 R⊕ GJ 536 b 2.41 R⊕

Metric	Earth	Kepler-1182 b	Jupiter
Radius (R⊕)	1.00	2.41	11.21
Mass (M⊕)	1.00	6.39	317.83
Density (g/cm³)	5.51	2.51	1.33
Surface Gravity (g)	1.00	1.10	2.53
Insolation (S⊕)	1.00	197.88	0.037

Star Catalogue Identifiers

TIC

TIC 272270522

Gaia DR2

Gaia DR2 2079548917633369472

Gaia DR3

Gaia DR3 2079548917633369472

System

Kepler-1182

Percentile among Sub-Neptune cohort

Radius 2.410 R⊕ · percentile 33 / cohort 1978

Mass 6.390 M⊕ · percentile 31 / cohort 1978

Orbital period 11.17 d · percentile 39 / cohort 1946

Distance 1,545.39 pc · percentile 94 / cohort 1975

ESI 0.323 · percentile 34 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

11.174 days

Semi-major axis

0.0981 AU

Eccentricity

0.000

Inclination

89.94 °

Year Length

A year here lasts approximately 11.17 Earth days (3.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0981 AU.

Transit Fingerprint

Depth

0.032 %

Duration

3.421 h

Impact parameter b

0.025

Rp / R★

0.020562

Transit midpoint (BJD)

2,454,967.7041

Photometric dip

Transit produces a flux drop of 325 ppm lasting ≈ 3.42 h.

Extended Orbital Architecture

Planet / star radius ratio

0.020562

Semi-major axis / stellar radius

26.239

Impact parameter (b)

0.025

Transit mid-time (BJD)

2,454,967.7041

Angular separation (arcsec)

0.06350

Eq. Temperature

796K

(523 °C)

Insolation (S⊕)

197.88

Earth = 1.00

Earth Similarity (ESI)

0.323

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-1182

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,924 K — hotter than the Sun (5,778 K)

Estimated Age

3.39 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.050 R☉

Stellar Mass

1.040 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

4.410 dex

Stellar density

2.737 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,545.39 parsec

Light-years 5,040.38 ly

V-band magnitude

15.74 mag

Voyager-speed travel 88,887,135 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.619 mas

Total Proper Motion

7.411 mas/yr

PM Right Ascension

6.06 mas/yr

PM Declination

4.26 mas/yr

Galactic Cartesian (pc)

x = 0.320 · y = -0.647 · z = 0.692

Equatorial (J2000)

RA 296.30799° · Dec 43.82137°

Galactic ℓ, b

77.564° · 9.578°

Ecliptic λ, β

315.157° · 63.195°

HTM-20 index

-1530228042