Key parameters at a glance

A radius of 5.74 Earth radii
A mass of 27.90 Earth masses
Surface gravity around 0.85 g
An orbital period of 24.855 days
Semi-major axis 0.1992 AU
Equilibrium temperature 1,095 K (822 °C)
Distance from Earth 2,241.00 light-years
Earth Similarity Index 0.159
Travel time at Voyager 1 speed 39,520,003 years

Kepler-516 b Planet Profile

Physical Specs

Radius

5.74 R⊕

Radius (Jupiter)

0.512 R♃

Mass

27.90 M⊕

Mass (Jupiter)

0.088 M♃

Density

0.81 g/cm³

Surface Gravity

0.85 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.159

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

#303of 574

top 52.6%

This planet

5.74R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

EPIC 211945201 b 5.76 R⊕ Kepler-101 b 5.77 R⊕ Kepler-1520 b 5.77 R⊕

Metric	Earth	Kepler-516 b	Jupiter
Radius (R⊕)	1.00	5.74	11.21
Mass (M⊕)	1.00	27.90	317.83
Density (g/cm³)	5.51	0.81	1.33
Surface Gravity (g)	1.00	0.85	2.53
Insolation (S⊕)	1.00	174.58	0.037

Star Catalogue Identifiers

TIC

TIC 184085929

Gaia DR2

Gaia DR2 2073155184495069184

Gaia DR3

Gaia DR3 2073155184495069184

System

Kepler-516

Percentile among Neptune-like cohort

Radius 5.740 R⊕ · percentile 47 / cohort 574

Mass 27.900 M⊕ · percentile 46 / cohort 574

Orbital period 24.85 d · percentile 56 / cohort 524

Distance 687.09 pc · percentile 63 / cohort 572

ESI 0.159 · percentile 17 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

24.855 days

Semi-major axis

0.1992 AU

Eccentricity

0.000

Inclination

87.08 °

Year Length

A year here lasts approximately 24.85 Earth days (6.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1992 AU.

Transit Fingerprint

Depth

0.075 %

Duration

8.959 h

Impact parameter b

0.658

Rp / R★

0.026100

Transit midpoint (BJD)

2,455,007.0010

Photometric dip

Transit produces a flux drop of 750 ppm lasting ≈ 8.96 h.

Extended Orbital Architecture

Planet / star radius ratio

0.026100

Semi-major axis / stellar radius

16.510

Impact parameter (b)

0.658

Transit mid-time (BJD)

2,455,007.0010

Angular separation (arcsec)

0.29000

Eq. Temperature

1,095K

(822 °C)

Insolation (S⊕)

174.58

Earth = 1.00

Earth Similarity (ESI)

0.159

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-516

Spectral Class

F-type yellow-white

Effective Temperature

7,099 K — hotter than the Sun (5,778 K)

Estimated Age

1.32 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

2.020 R☉

Stellar Mass

1.620 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

4.040 dex

Stellar density

0.187 g/cm³

Systemic radial velocity

-20.96 km/s

Metallicity ratio

[Fe/H]

Distance

687.09 parsec

Light-years 2,241.00 ly

V-band magnitude

12.12 mag

Voyager-speed travel 39,520,003 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.427 mas

Total Proper Motion

4.626 mas/yr

PM Right Ascension

-4.41 mas/yr

PM Declination

-1.39 mas/yr

Galactic Cartesian (pc)

x = 0.337 · y = -0.703 · z = 0.626

Equatorial (J2000)

RA 295.60876° · Dec 38.73574°

Galactic ℓ, b

72.799° · 7.592°

Ecliptic λ, β

310.374° · 58.638°

HTM-20 index

-2057794869