Key parameters at a glance

A radius of 5.50 Earth radii
A mass of 25.90 Earth masses
Surface gravity around 0.86 g
An orbital period of 854.083 days
Distance from Earth 4,765.63 light-years
Earth Similarity Index 0.449
Travel time at Voyager 1 speed 84,041,852 years

KIC 10525077 b Planet Profile

Physical Specs

Radius

5.50 R⊕

Radius (Jupiter)

0.491 R♃

Mass

25.90 M⊕

Mass (Jupiter)

0.082 M♃

Density

0.86 g/cm³

Surface Gravity

0.86 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.449

HZ Position Unknown

Controversial No

Discovery

Year 2015

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#317of 574

top 55.1%

This planet

5.50R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

Kepler-31 b 5.50 R⊕ Kepler-957 b 5.50 R⊕ Kepler-18 c 5.49 R⊕

Metric	Earth	KIC 10525077 b	Jupiter
Radius (R⊕)	1.00	5.50	11.21
Mass (M⊕)	1.00	25.90	317.83
Density (g/cm³)	5.51	0.86	1.33
Surface Gravity (g)	1.00	0.86	2.53
Insolation (S⊕)	1.00	—	0.037

Star Catalogue Identifiers

TIC

TIC 158489091

Gaia DR2

Gaia DR2 2131059594280288128

Gaia DR3

Gaia DR3 2131059594280288128

System

KIC 10525077

Percentile among Neptune-like cohort

Radius 5.500 R⊕ · percentile 44 / cohort 574

Mass 25.900 M⊕ · percentile 43 / cohort 574

Orbital period 854.08 d · percentile 98 / cohort 524

Distance 1,461.15 pc · percentile 84 / cohort 572

ESI 0.449 · percentile 80 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

854.083 days

Semi-major axis

— AU

Eccentricity

—

Inclination

89.86 °

Year Length

A year here lasts about 2.34 Earth years.

Transit Fingerprint

Depth

0.250 %

Rp / R★

0.050000

Transit midpoint (BJD)

2,455,168.2360

Photometric dip

Transit produces a flux drop of 2,500 ppm.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.449

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Wang et al. 2015

Instrument

Kepler CCD Array

Publication

2015-12

Observation locale

Space

Discovery cohort

Planets confirmed in 2015 at Kepler (12 shown).

Kepler-438 b · Rocky Terrestrial Kepler-445 d · Super-Earth Kepler-442 b · Super-Earth Kepler-439 b · Sub-Neptune Kepler-437 b · Sub-Neptune Kepler-440 b · Super-Earth KIC 8540376 c · Sub-Neptune Kepler-445 b · Super-Earth Kepler-446 d · Super-Earth Kepler-436 b · Sub-Neptune Kepler-445 c · Sub-Neptune Kepler-443 b · Sub-Neptune

Host System: KIC 10525077

Spectral Class

F-type yellow-white

Effective Temperature

6,091 K — hotter than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

1.010 R☉

Stellar Mass

1.010 M☉

Metallicity [Fe/H]

-0.04

Extended Stellar Properties

Surface gravity (log g)

4.420 dex

Stellar density

0.810 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,461.15 parsec

Light-years 4,765.63 ly

V-band magnitude

15.59 mag

Voyager-speed travel 84,041,852 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.656 mas

Total Proper Motion

4.299 mas/yr

PM Right Ascension

4.30 mas/yr

PM Declination

0.08 mas/yr

Galactic Cartesian (pc)

x = 0.201 · y = -0.641 · z = 0.740

Equatorial (J2000)

RA 287.37812° · Dec 47.77115°

Galactic ℓ, b

78.489° · 16.889°

Ecliptic λ, β

304.326° · 69.148°

HTM-20 index

-757993511