Key parameters at a glance

A radius of 1.12 Earth radii
A mass of 1.46 Earth masses
Surface gravity around 1.16 g
An orbital period of 1.543 days
Semi-major axis 0.0257 AU
Equilibrium temperature 1,827 K (1554 °C)
Distance from Earth 2,412.11 light-years
Earth Similarity Index 0.159
Travel time at Voyager 1 speed 42,537,549 years

Kepler-1082 b Planet Profile

Physical Specs

Radius

1.12 R⊕

Radius (Jupiter)

0.100 R♃

Mass

1.46 M⊕

Mass (Jupiter)

0.005 M♃

Density

5.71 g/cm³

Surface Gravity

1.16 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.159

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

#193of 570

top 33.7%

This planet

1.12R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-381 c 1.12 R⊕ Kepler-334 b 1.12 R⊕ Kepler-1288 b 1.12 R⊕

Metric	Earth	Kepler-1082 b	Jupiter
Radius (R⊕)	1.00	1.12	11.21
Mass (M⊕)	1.00	1.46	317.83
Density (g/cm³)	5.51	5.71	1.33
Surface Gravity (g)	1.00	1.16	2.53
Insolation (S⊕)	1.00	2,949.56	0.037

Star Catalogue Identifiers

TIC

TIC 299218775

Gaia DR2

Gaia DR2 2133127363335546112

Gaia DR3

Gaia DR3 2133127363335546112

System

Kepler-1082

Percentile among Rocky Terrestrial cohort

Radius 1.120 R⊕ · percentile 64 / cohort 570

Mass 1.460 M⊕ · percentile 59 / cohort 570

Orbital period 1.54 d · percentile 18 / cohort 567

Distance 739.56 pc · percentile 81 / cohort 566

ESI 0.159 · percentile 6 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

1.543 days

Semi-major axis

0.0257 AU

Eccentricity

0.000

Inclination

87.26 °

Year Length

A year here lasts approximately 1.54 Earth days (0.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0257 AU.

Transit Fingerprint

Depth

0.009 %

Duration

2.609 h

Impact parameter b

0.830

Rp / R★

0.008780

Transit midpoint (BJD)

2,454,964.5559

Photometric dip

Transit produces a flux drop of 91 ppm lasting ≈ 2.61 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008780

Semi-major axis / stellar radius

4.546

Impact parameter (b)

0.830

Transit mid-time (BJD)

2,454,964.5559

Angular separation (arcsec)

0.03480

Eq. Temperature

1,827K

(1554 °C)

Insolation (S⊕)

2,949.56

Earth = 1.00

Earth Similarity (ESI)

0.159

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

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-1082

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,923 K — hotter than the Sun (5,778 K)

Estimated Age

5.75 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.140 R☉

Stellar Mass

1.030 M☉

Metallicity [Fe/H]

-0.06

Extended Stellar Properties

Surface gravity (log g)

4.330 dex

Stellar density

0.400 g/cm³

Metallicity ratio

[Fe/H]

Distance

739.56 parsec

Light-years 2,412.11 ly

V-band magnitude

13.44 mag

Voyager-speed travel 42,537,549 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.323 mas

Total Proper Motion

9.236 mas/yr

PM Right Ascension

-3.64 mas/yr

PM Declination

-8.49 mas/yr

Galactic Cartesian (pc)

x = 0.210 · y = -0.599 · z = 0.773

Equatorial (J2000)

RA 289.35867° · Dec 50.59845°

Galactic ℓ, b

81.734° · 16.762°

Ecliptic λ, β

310.992° · 71.292°

HTM-20 index

161749512