Key parameters at a glance

A radius of 2.32 Earth radii
A mass of 5.99 Earth masses
Surface gravity around 1.11 g
An orbital period of 34.269 days
Semi-major axis 0.1930 AU
Equilibrium temperature 477 K (204 °C)
Distance from Earth 1,889.33 light-years
Earth Similarity Index 0.532
Travel time at Voyager 1 speed 33,318,397 years

Kepler-1010 b Planet Profile

Physical Specs

Radius

2.32 R⊕

Radius (Jupiter)

0.207 R♃

Mass

5.99 M⊕

Mass (Jupiter)

0.019 M♃

Density

2.64 g/cm³

Surface Gravity

1.11 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.532

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

#1469of 1978

top 74.2%

This planet

2.32R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-321 c 2.32 R⊕ K2-28 b 2.32 R⊕ Kepler-1208 b 2.32 R⊕

Metric	Earth	Kepler-1010 b	Jupiter
Radius (R⊕)	1.00	2.32	11.21
Mass (M⊕)	1.00	5.99	317.83
Density (g/cm³)	5.51	2.64	1.33
Surface Gravity (g)	1.00	1.11	2.53
Insolation (S⊕)	1.00	10.17	0.037

Star Catalogue Identifiers

TIC

TIC 158989909

Gaia DR2

Gaia DR2 2102899314789524480

Gaia DR3

Gaia DR3 2102899314789524480

System

Kepler-1010

Percentile among Sub-Neptune cohort

Radius 2.320 R⊕ · percentile 25 / cohort 1978

Mass 5.990 M⊕ · percentile 24 / cohort 1978

Orbital period 34.27 d · percentile 77 / cohort 1946

Distance 579.27 pc · percentile 52 / cohort 1975

ESI 0.532 · percentile 74 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

34.269 days

Semi-major axis

0.1930 AU

Eccentricity

0.000

Inclination

89.07 °

Year Length

A year here lasts approximately 34.27 Earth days (9.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1930 AU.

Transit Fingerprint

Depth

0.070 %

Duration

4.818 h

Impact parameter b

0.677

Rp / R★

0.026123

Transit midpoint (BJD)

2,454,980.0522

Photometric dip

Transit produces a flux drop of 699 ppm lasting ≈ 4.82 h.

Extended Orbital Architecture

Planet / star radius ratio

0.026123

Semi-major axis / stellar radius

41.800

Impact parameter (b)

0.677

Transit mid-time (BJD)

2,454,980.0522

Angular separation (arcsec)

0.33300

Eq. Temperature

477K

(204 °C)

Insolation (S⊕)

10.17

Earth = 1.00

Earth Similarity (ESI)

0.532

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-1010

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,253 K — cooler than the Sun (5,778 K)

Estimated Age

4.79 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.820 R☉

Stellar Mass

0.860 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

1.177 g/cm³

Metallicity ratio

[Fe/H]

Distance

579.27 parsec

Light-years 1,889.33 ly

V-band magnitude

14.96 mag

Voyager-speed travel 33,318,397 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.698 mas

Total Proper Motion

5.194 mas/yr

PM Right Ascension

-4.40 mas/yr

PM Declination

2.76 mas/yr

Galactic Cartesian (pc)

x = 0.236 · y = -0.678 · z = 0.697

Equatorial (J2000)

RA 289.19260° · Dec 44.14932°

Galactic ℓ, b

75.542° · 14.310°

Ecliptic λ, β

304.383° · 65.313°

HTM-20 index

138727239