Key parameters at a glance

A radius of 1.50 Earth radii
A mass of 2.86 Earth masses
Surface gravity around 1.27 g
An orbital period of 4.595 days
Semi-major axis 0.0566 AU
Equilibrium temperature 1,319 K (1046 °C)
Distance from Earth 2,769.18 light-years
Earth Similarity Index 0.219
Travel time at Voyager 1 speed 48,834,519 years

Kepler-915 b Planet Profile

Physical Specs

Radius

1.50 R⊕

Radius (Jupiter)

0.134 R♃

Mass

2.86 M⊕

Mass (Jupiter)

0.009 M♃

Density

4.66 g/cm³

Surface Gravity

1.27 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.219

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

#748of 1176

top 63.5%

This planet

1.50R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-180 b 1.50 R⊕ Kepler-273 b 1.50 R⊕ Kepler-207 c 1.50 R⊕

Metric	Earth	Kepler-915 b	Jupiter
Radius (R⊕)	1.00	1.50	11.21
Mass (M⊕)	1.00	2.86	317.83
Density (g/cm³)	5.51	4.66	1.33
Surface Gravity (g)	1.00	1.27	2.53
Insolation (S⊕)	1.00	844.75	0.037

Star Catalogue Identifiers

TIC

TIC 159396818

Gaia DR2

Gaia DR2 2127422890853328128

Gaia DR3

Gaia DR3 2127422890853328128

System

Kepler-915

Percentile among Super-Earth cohort

Radius 1.500 R⊕ · percentile 35 / cohort 1176

Mass 2.860 M⊕ · percentile 33 / cohort 1176

Orbital period 4.59 d · percentile 37 / cohort 1164

Distance 849.04 pc · percentile 72 / cohort 1171

ESI 0.219 · percentile 17 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

4.595 days

Semi-major axis

0.0566 AU

Eccentricity

0.000

Inclination

76.00 °

Year Length

A year here lasts approximately 4.59 Earth days (1.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0566 AU.

Transit Fingerprint

Depth

0.011 %

Duration

2.853 h

Impact parameter b

0.690

Rp / R★

0.009662

Transit midpoint (BJD)

2,454,966.8400

Photometric dip

Transit produces a flux drop of 109 ppm lasting ≈ 2.85 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009662

Semi-major axis / stellar radius

12.240

Impact parameter (b)

0.690

Transit mid-time (BJD)

2,454,966.8400

Angular separation (arcsec)

0.06660

Eq. Temperature

1,319K

(1046 °C)

Insolation (S⊕)

844.75

Earth = 1.00

Earth Similarity (ESI)

0.219

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-915

Spectral Class

F-type yellow-white

Effective Temperature

6,173 K — hotter than the Sun (5,778 K)

Estimated Age

3.39 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.380 R☉

Stellar Mass

1.210 M☉

Metallicity [Fe/H]

0.08

Extended Stellar Properties

Surface gravity (log g)

4.240 dex

Stellar density

0.380 g/cm³

Metallicity ratio

[Fe/H]

Distance

849.04 parsec

Light-years 2,769.18 ly

V-band magnitude

13.31 mag

Voyager-speed travel 48,834,519 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.149 mas

Total Proper Motion

17.000 mas/yr

PM Right Ascension

6.16 mas/yr

PM Declination

15.84 mas/yr

Galactic Cartesian (pc)

x = 0.245 · y = -0.653 · z = 0.716

Equatorial (J2000)

RA 290.59213° · Dec 45.73722°

Galactic ℓ, b

77.455° · 14.062°

Ecliptic λ, β

307.963° · 66.483°

HTM-20 index

1462695512