Key parameters at a glance

A radius of 1.99 Earth radii
A mass of 4.62 Earth masses
Surface gravity around 1.17 g
An orbital period of 5.458 days
Semi-major axis 0.0652 AU
Equilibrium temperature 1,099 K (826 °C)
Distance from Earth 2,172.68 light-years
Earth Similarity Index 0.245
Travel time at Voyager 1 speed 38,315,124 years

Kepler-526 b Planet Profile

Physical Specs

Radius

1.99 R⊕

Radius (Jupiter)

0.178 R♃

Mass

4.62 M⊕

Mass (Jupiter)

0.015 M♃

Density

3.22 g/cm³

Surface Gravity

1.17 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.245

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

#4of 1176

top 0.3%

This planet

1.99R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

K2-62 c 1.99 R⊕ Kepler-136 c 1.99 R⊕ Kepler-243 c 1.99 R⊕

Metric	Earth	Kepler-526 b	Jupiter
Radius (R⊕)	1.00	1.99	11.21
Mass (M⊕)	1.00	4.62	317.83
Density (g/cm³)	5.51	3.22	1.33
Surface Gravity (g)	1.00	1.17	2.53
Insolation (S⊕)	1.00	584.35	0.037

Star Catalogue Identifiers

TIC

TIC 273377282

Gaia DR2

Gaia DR2 2086398222240415616

Gaia DR3

Gaia DR3 2086398222240415616

System

Kepler-526

Percentile among Super-Earth cohort

Radius 1.990 R⊕ · percentile 98 / cohort 1176

Mass 4.620 M⊕ · percentile 90 / cohort 1176

Orbital period 5.46 d · percentile 43 / cohort 1164

Distance 666.15 pc · percentile 59 / cohort 1171

ESI 0.245 · percentile 22 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

5.458 days

Semi-major axis

0.0652 AU

Eccentricity

0.000

Inclination

85.39 °

Year Length

A year here lasts approximately 5.46 Earth days (1.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0652 AU.

Transit Fingerprint

Depth

0.026 %

Duration

4.035 h

Impact parameter b

0.702

Rp / R★

0.015827

Transit midpoint (BJD)

2,455,005.0888

Photometric dip

Transit produces a flux drop of 256 ppm lasting ≈ 4.03 h.

Extended Orbital Architecture

Planet / star radius ratio

0.015827

Semi-major axis / stellar radius

10.700

Impact parameter (b)

0.702

Transit mid-time (BJD)

2,455,005.0888

Angular separation (arcsec)

0.09780

Eq. Temperature

1,099K

(826 °C)

Insolation (S⊕)

584.35

Earth = 1.00

Earth Similarity (ESI)

0.245

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-526

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,894 K — hotter than the Sun (5,778 K)

Estimated Age

2.14 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.140 R☉

Stellar Mass

1.150 M☉

Metallicity [Fe/H]

0.34

Extended Stellar Properties

Surface gravity (log g)

4.380 dex

Stellar density

0.360 g/cm³

Systemic radial velocity

-62.95 km/s

Metallicity ratio

[Fe/H]

Distance

666.15 parsec

Light-years 2,172.68 ly

V-band magnitude

13.19 mag

Voyager-speed travel 38,315,124 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.473 mas

Total Proper Motion

12.044 mas/yr

PM Right Ascension

-1.19 mas/yr

PM Declination

-11.99 mas/yr

Galactic Cartesian (pc)

x = 0.314 · y = -0.600 · z = 0.736

Equatorial (J2000)

RA 297.65093° · Dec 47.39622°

Galactic ℓ, b

81.205° · 10.476°

Ecliptic λ, β

320.672° · 66.040°

HTM-20 index

1330171108