Key parameters at a glance

A radius of 8.59 Earth radii
A mass of 48.31 Earth masses
Surface gravity around 0.65 g
An orbital period of 160.884 days
Semi-major axis 0.5697 AU
Equilibrium temperature 346 K (73 °C)
Distance from Earth 1,139.09 light-years
Earth Similarity Index 0.494
Travel time at Voyager 1 speed 20,087,852 years

Context from the literature

Kepler-1513 is a main-sequence star about 1,150 light-years away in the constellation Lyra. It has a late-G or early-K spectral type, and it hosts at least one, and likely two, exoplanets.

Excerpted from Wikipedia · full article

1 sibling around Kepler-1513

Kepler-1513 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
Kepler-1513 b this	Neptune-like	8.59	48.31	160.884	346	2016
Kepler-1513 c	Gas Giant	11.00	84.54	841.400	—	2023

Kepler-1513 b Planet Profile

Physical Specs

Radius

8.59 R⊕

Radius (Jupiter)

0.767 R♃

Mass

48.31 M⊕

Mass (Jupiter)

0.152 M♃

Density

1.30 g/cm³

Surface Gravity

0.65 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.494

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

#113of 574

top 19.5%

This planet

8.59R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

HD 117618 b 8.59 R⊕ OGLE-2014-BLG-1722L b 8.59 R⊕ TOI-2364 b 8.61 R⊕

Metric	Earth	Kepler-1513 b	Jupiter
Radius (R⊕)	1.00	8.59	11.21
Mass (M⊕)	1.00	48.31	317.83
Density (g/cm³)	5.51	1.30	1.33
Surface Gravity (g)	1.00	0.65	2.53
Insolation (S⊕)	1.00	2.23	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	48.310 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 394177315

Gaia DR2

Gaia DR2 2100959501399885696

Gaia DR3

Gaia DR3 2100959501399885696

System

Kepler-1513

Percentile among Neptune-like cohort

Radius 8.594 R⊕ · percentile 80 / cohort 574

Mass 48.310 M⊕ · percentile 70 / cohort 574

Orbital period 160.88 d · percentile 87 / cohort 524

Distance 349.25 pc · percentile 51 / cohort 572

ESI 0.494 · percentile 89 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

160.884 days

Semi-major axis

0.5697 AU

Eccentricity

0.306

Inclination

89.86 °

Year Length

A year here lasts approximately 160.88 Earth days (44.0% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.5697 AU.

Transit Fingerprint

Depth

0.773 %

Duration

10.754 h

Impact parameter b

0.106

Rp / R★

0.074850

Transit midpoint (BJD)

2,455,110.5064

Photometric dip

Transit produces a flux drop of 7,730 ppm lasting ≈ 10.75 h.

Extended Orbital Architecture

Planet / star radius ratio

0.074850

Semi-major axis / stellar radius

117.700

Impact parameter (b)

0.106

RV semi-amplitude (K)

6.300 m/s

Transit mid-time (BJD)

2,455,110.5064

Long. of periastron (ω)

259.00°

Angular separation (arcsec)

1.63000

Eq. Temperature

346K

(73 °C)

Insolation (S⊕)

2.23

Earth = 1.00

Earth Similarity (ESI)

0.494

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — liquid water is physically possible with adequate atmospheric pressure.

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

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-1513

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,491 K — cooler than the Sun (5,778 K)

Estimated Age

7.00 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.950 R☉

Stellar Mass

0.943 M☉

Metallicity [Fe/H]

0.17

Extended Stellar Properties

Surface gravity (log g)

4.460 dex

Stellar density

1.330 g/cm³

Metallicity ratio

[M/H]

Distance

349.25 parsec

Light-years 1,139.09 ly

V-band magnitude

13.07 mag

Voyager-speed travel 20,087,852 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

2.835 mas

Total Proper Motion

20.470 mas/yr

PM Right Ascension

20.39 mas/yr

PM Declination

1.76 mas/yr

Galactic Cartesian (pc)

x = 0.262 · y = -0.728 · z = 0.633

Equatorial (J2000)

RA 289.79176° · Dec 39.28527°

Galactic ℓ, b

71.201° · 11.863°

Ecliptic λ, β

302.187° · 60.532°

HTM-20 index

-882088478

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