Key parameters at a glance

A radius of 1.46 Earth radii
A mass of 2.73 Earth masses
Surface gravity around 1.28 g
An orbital period of 19.964 days
Semi-major axis 0.1333 AU
Equilibrium temperature 564 K (291 °C)
Distance from Earth 831.70 light-years
Earth Similarity Index 0.536
Travel time at Voyager 1 speed 14,666,990 years

Kepler-515 b Planet Profile

Physical Specs

Radius

1.46 R⊕

Radius (Jupiter)

0.130 R♃

Mass

2.73 M⊕

Mass (Jupiter)

0.009 M♃

Density

4.82 g/cm³

Surface Gravity

1.28 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.536

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

#819of 1176

top 69.6%

This planet

1.46R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-190 c 1.46 R⊕ Kepler-808 b 1.46 R⊕ Kepler-366 b 1.46 R⊕

Metric	Earth	Kepler-515 b	Jupiter
Radius (R⊕)	1.00	1.46	11.21
Mass (M⊕)	1.00	2.73	317.83
Density (g/cm³)	5.51	4.82	1.33
Surface Gravity (g)	1.00	1.28	2.53
Insolation (S⊕)	1.00	47.97	0.037

Star Catalogue Identifiers

TIC

TIC 406997913

System

Kepler-515

Percentile among Super-Earth cohort

Radius 1.460 R⊕ · percentile 29 / cohort 1176

Mass 2.730 M⊕ · percentile 27 / cohort 1176

Orbital period 19.96 d · percentile 85 / cohort 1164

Distance 255.00 pc · percentile 28 / cohort 1171

ESI 0.536 · percentile 76 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

19.964 days

Semi-major axis

0.1333 AU

Eccentricity

0.000

Inclination

88.51 °

Year Length

A year here lasts approximately 19.96 Earth days (5.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1333 AU.

Transit Fingerprint

Depth

0.027 %

Duration

2.483 h

Impact parameter b

0.918

Rp / R★

0.016027

Transit midpoint (BJD)

2,455,011.3056

Photometric dip

Transit produces a flux drop of 271 ppm lasting ≈ 2.48 h.

Extended Orbital Architecture

Planet / star radius ratio

0.016027

Semi-major axis / stellar radius

26.800

Impact parameter (b)

0.918

Transit mid-time (BJD)

2,455,011.3056

Angular separation (arcsec)

0.52300

Eq. Temperature

564K

(291 °C)

Insolation (S⊕)

47.97

Earth = 1.00

Earth Similarity (ESI)

0.536

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-515

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,293 K — cooler than the Sun (5,778 K)

Estimated Age

3.39 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.830 R☉

Stellar Mass

0.900 M☉

Metallicity [Fe/H]

0.08

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

1.649 g/cm³

Metallicity ratio

[Fe/H]

Distance

255.00 parsec

Light-years 831.70 ly

V-band magnitude

12.91 mag

Voyager-speed travel 14,666,990 yr

Multi-band Host Photometry — 14 bands

Astrometric Data

Total Proper Motion

99.756 mas/yr

PM Right Ascension

61.53 mas/yr

PM Declination

-78.52 mas/yr

Galactic Cartesian (pc)

x = 0.215 · y = -0.576 · z = 0.789

Equatorial (J2000)

RA 290.49391° · Dec 52.05561°

Galactic ℓ, b

83.424° · 16.672°

Ecliptic λ, β

315.065° · 72.297°

HTM-20 index

14470681