Key parameters at a glance

A radius of 2.47 Earth radii
A mass of 6.66 Earth masses
Surface gravity around 1.09 g
An orbital period of 19.557 days
Semi-major axis 0.1352 AU
Equilibrium temperature 797 K (524 °C)
Distance from Earth 1,259.54 light-years
Earth Similarity Index 0.319
Travel time at Voyager 1 speed 22,211,977 years

Kepler-510 b Planet Profile

Physical Specs

Radius

2.47 R⊕

Radius (Jupiter)

0.220 R♃

Mass

6.66 M⊕

Mass (Jupiter)

0.021 M♃

Density

2.43 g/cm³

Surface Gravity

1.09 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.319

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

#1226of 1978

top 61.9%

This planet

2.47R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-263 c 2.47 R⊕ Kepler-1101 b 2.47 R⊕ Kepler-269 b 2.47 R⊕

Metric	Earth	Kepler-510 b	Jupiter
Radius (R⊕)	1.00	2.47	11.21
Mass (M⊕)	1.00	6.66	317.83
Density (g/cm³)	5.51	2.43	1.33
Surface Gravity (g)	1.00	1.09	2.53
Insolation (S⊕)	1.00	114.39	0.037

Star Catalogue Identifiers

TIC

TIC 121327187

Gaia DR2

Gaia DR2 2099656472742686848

Gaia DR3

Gaia DR3 2099656472742686848

System

Kepler-510

Percentile among Sub-Neptune cohort

Radius 2.470 R⊕ · percentile 37 / cohort 1978

Mass 6.660 M⊕ · percentile 35 / cohort 1978

Orbital period 19.56 d · percentile 61 / cohort 1946

Distance 386.18 pc · percentile 40 / cohort 1975

ESI 0.319 · percentile 32 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

19.557 days

Semi-major axis

0.1352 AU

Eccentricity

0.000

Inclination

87.70 °

Year Length

A year here lasts approximately 19.56 Earth days (5.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1352 AU.

Transit Fingerprint

Depth

0.030 %

Duration

8.086 h

Impact parameter b

0.713

Rp / R★

0.016465

Transit midpoint (BJD)

2,455,022.0440

Photometric dip

Transit produces a flux drop of 298 ppm lasting ≈ 8.09 h.

Extended Orbital Architecture

Planet / star radius ratio

0.016465

Semi-major axis / stellar radius

13.270

Impact parameter (b)

0.713

Transit mid-time (BJD)

2,455,022.0440

Angular separation (arcsec)

0.35000

Eq. Temperature

797K

(524 °C)

Insolation (S⊕)

114.39

Earth = 1.00

Earth Similarity (ESI)

0.319

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-510

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,746 K — cooler than the Sun (5,778 K)

Estimated Age

10.47 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.410 R☉

Stellar Mass

0.910 M☉

Metallicity [Fe/H]

-0.35

Extended Stellar Properties

Surface gravity (log g)

4.090 dex

Stellar density

0.290 g/cm³

Systemic radial velocity

-58.53 km/s

Metallicity ratio

[Fe/H]

Distance

386.18 parsec

Light-years 1,259.54 ly

V-band magnitude

12.07 mag

Voyager-speed travel 22,211,977 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

2.561 mas

Total Proper Motion

26.061 mas/yr

PM Right Ascension

5.62 mas/yr

PM Declination

-25.45 mas/yr

Galactic Cartesian (pc)

x = 0.235 · y = -0.738 · z = 0.633

Equatorial (J2000)

RA 287.65502° · Dec 39.24417°

Galactic ℓ, b

70.449° · 13.347°

Ecliptic λ, β

298.899° · 60.924°

HTM-20 index

-590744758