Key parameters at a glance

A radius of 1.77 Earth radii
A mass of 3.78 Earth masses
Surface gravity around 1.21 g
An orbital period of 19.119 days
Semi-major axis 0.1444 AU
Equilibrium temperature 823 K (550 °C)
Distance from Earth 5,656.95 light-years
Earth Similarity Index 0.348
Travel time at Voyager 1 speed 99,760,264 years

Kepler-1260 b Planet Profile

Physical Specs

Radius

1.77 R⊕

Radius (Jupiter)

0.158 R♃

Mass

3.78 M⊕

Mass (Jupiter)

0.012 M♃

Density

3.75 g/cm³

Surface Gravity

1.21 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.348

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

#293of 1176

top 24.8%

This planet

1.77R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

GJ 667 C c 1.77 R⊕ Kepler-286 e 1.77 R⊕ Kepler-215 c 1.77 R⊕

Metric	Earth	Kepler-1260 b	Jupiter
Radius (R⊕)	1.00	1.77	11.21
Mass (M⊕)	1.00	3.78	317.83
Density (g/cm³)	5.51	3.75	1.33
Surface Gravity (g)	1.00	1.21	2.53
Insolation (S⊕)	1.00	171.93	0.037

Star Catalogue Identifiers

TIC

TIC 271759028

Gaia DR2

Gaia DR2 2077894083914484352

Gaia DR3

Gaia DR3 2077894083914484352

System

Kepler-1260

Percentile among Super-Earth cohort

Radius 1.770 R⊕ · percentile 73 / cohort 1176

Mass 3.780 M⊕ · percentile 67 / cohort 1176

Orbital period 19.12 d · percentile 84 / cohort 1164

Distance 1,734.43 pc · percentile 97 / cohort 1171

ESI 0.348 · percentile 50 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

19.119 days

Semi-major axis

0.1444 AU

Eccentricity

0.000

Inclination

87.16 °

Year Length

A year here lasts approximately 19.12 Earth days (5.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1444 AU.

Transit Fingerprint

Depth

0.022 %

Duration

6.873 h

Impact parameter b

0.838

Rp / R★

0.015324

Transit midpoint (BJD)

2,454,971.4257

Photometric dip

Transit produces a flux drop of 218 ppm lasting ≈ 6.87 h.

Extended Orbital Architecture

Planet / star radius ratio

0.015324

Semi-major axis / stellar radius

12.500

Impact parameter (b)

0.838

Transit mid-time (BJD)

2,454,971.4257

Angular separation (arcsec)

0.08330

Eq. Temperature

823K

(550 °C)

Insolation (S⊕)

171.93

Earth = 1.00

Earth Similarity (ESI)

0.348

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-1260

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,961 K — hotter than the Sun (5,778 K)

Estimated Age

3.80 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.080 R☉

Stellar Mass

1.060 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

4.390 dex

Stellar density

0.133 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,734.43 parsec

Light-years 5,656.95 ly

V-band magnitude

14.95 mag

Voyager-speed travel 99,760,264 yr

Multi-band Host Photometry — 12 bands

Astrometric Data

Parallax

0.548 mas

Total Proper Motion

1.810 mas/yr

PM Right Ascension

0.84 mas/yr

PM Declination

-1.60 mas/yr

Galactic Cartesian (pc)

x = 0.318 · y = -0.664 · z = 0.676

Equatorial (J2000)

RA 295.59127° · Dec 42.55523°

Galactic ℓ, b

76.183° · 9.433°

Ecliptic λ, β

313.054° · 62.222°

HTM-20 index

-1546946994