Key parameters at a glance

A radius of 2.84 Earth radii
A mass of 8.44 Earth masses
Surface gravity around 1.05 g
An orbital period of 17.834 days
Semi-major axis 0.1226 AU
Equilibrium temperature 866 K (593 °C)
Distance from Earth 481.17 light-years
Earth Similarity Index 0.277
Travel time at Voyager 1 speed 8,485,400 years

Kepler-410 A b Planet Profile

Physical Specs

Radius

2.84 R⊕

Radius (Jupiter)

0.253 R♃

Mass

8.44 M⊕

Mass (Jupiter)

0.027 M♃

Density

2.03 g/cm³

Surface Gravity

1.05 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.277

HZ Position Inner

Controversial No

Discovery

Year 2013

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#700of 1978

top 35.3%

This planet

2.84R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1665 b 2.84 R⊕ Kepler-1724 b 2.84 R⊕ Kepler-133 c 2.84 R⊕

Metric	Earth	Kepler-410 A b	Jupiter
Radius (R⊕)	1.00	2.84	11.21
Mass (M⊕)	1.00	8.44	317.83
Density (g/cm³)	5.51	2.03	1.33
Surface Gravity (g)	1.00	1.05	2.53
Insolation (S⊕)	1.00	159.50	0.037

Star Catalogue Identifiers

HD 175289

TIC

TIC 164458714

Gaia DR2

Gaia DR2 2106904148451706752

Gaia DR3

Gaia DR3 2106904148451706752

System

Kepler-410

Percentile among Sub-Neptune cohort

Radius 2.838 R⊕ · percentile 65 / cohort 1978

Mass 8.440 M⊕ · percentile 59 / cohort 1978

Orbital period 17.83 d · percentile 58 / cohort 1946

Distance 147.53 pc · percentile 25 / cohort 1975

ESI 0.277 · percentile 22 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

17.834 days

Semi-major axis

0.1226 AU

Eccentricity

0.170

Inclination

87.72 °

Year Length

A year here lasts approximately 17.83 Earth days (4.9% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.1226 AU.

Transit Fingerprint

Depth

0.033 %

Duration

4.540 h

Impact parameter b

0.773

Rp / R★

0.019230

Transit midpoint (BJD)

2,455,014.2377

Photometric dip

Transit produces a flux drop of 328 ppm lasting ≈ 4.54 h.

Extended Orbital Architecture

Planet / star radius ratio

0.019230

Semi-major axis / stellar radius

19.500

Impact parameter (b)

0.773

Transit mid-time (BJD)

2,455,014.2377

Angular separation (arcsec)

0.83100

Eq. Temperature

866K

(593 °C)

Insolation (S⊕)

159.50

Earth = 1.00

Earth Similarity (ESI)

0.277

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Transit timing variations

Gravitational interactions from neighbours have been detected.

Discovery Paper

Primary reference

Van Eylen et al. 2014

Instrument

Kepler CCD Array

Publication

2014-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2013 at Kepler (12 shown).

Kepler-69 c · Super-Earth Kepler-61 b · Sub-Neptune Kepler-62 e · Super-Earth KOI-351 f · Sub-Neptune Kepler-62 f · Super-Earth KOI-351 e · Sub-Neptune Kepler-1704 b · Gas Giant Kepler-37 d · Sub-Neptune Kepler-282 e · Sub-Neptune KOI-351 h · Gas Giant KOI-351 d · Sub-Neptune Kepler-114 c · Super-Earth

Host System: Kepler-410 A

Spectral Class

F-type yellow-white

Effective Temperature

6,273 K — hotter than the Sun (5,778 K)

Estimated Age

2.76 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.352 R☉

Stellar Mass

1.214 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

4.261 dex

Stellar density

0.693 g/cm³

Systemic radial velocity

-41.00 km/s

Rotational v·sin i

12.90 km/s

Metallicity ratio

[Fe/H]

Distance

147.53 parsec

Light-years 481.17 ly

V-band magnitude

9.50 mag

Voyager-speed travel 8,485,400 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

6.750 mas

Total Proper Motion

87.230 mas/yr

PM Right Ascension

61.52 mas/yr

PM Declination

61.85 mas/yr

Galactic Cartesian (pc)

x = 0.160 · y = -0.687 · z = 0.709

Equatorial (J2000)

RA 283.15104° · Dec 45.14008°

Galactic ℓ, b

74.814° · 18.664°

Ecliptic λ, β

294.739° · 67.453°

HTM-20 index

-383374783