Key parameters at a glance

A radius of 1.14 Earth radii
A mass of 1.55 Earth masses
Surface gravity around 1.20 g
An orbital period of 12.737 days
Semi-major axis 0.1063 AU
Equilibrium temperature 697 K (424 °C)
Distance from Earth 1,430.86 light-years
Earth Similarity Index 0.459
Travel time at Voyager 1 speed 25,233,147 years

Kepler-1860 b Planet Profile

Physical Specs

Radius

1.14 R⊕

Radius (Jupiter)

0.102 R♃

Mass

1.55 M⊕

Mass (Jupiter)

0.005 M♃

Density

5.77 g/cm³

Surface Gravity

1.20 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.459

HZ Position Inner

Controversial No

Discovery

Year 2021

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#178of 570

top 31.1%

This planet

1.14R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1456 b 1.14 R⊕ Kepler-320 b 1.14 R⊕ Kepler-303 c 1.14 R⊕

Metric	Earth	Kepler-1860 b	Jupiter
Radius (R⊕)	1.00	1.14	11.21
Mass (M⊕)	1.00	1.55	317.83
Density (g/cm³)	5.51	5.77	1.33
Surface Gravity (g)	1.00	1.20	2.53
Insolation (S⊕)	1.00	56.30	0.037

Star Catalogue Identifiers

TIC

TIC 27082724

Gaia DR2

Gaia DR2 2135104903719129984

Gaia DR3

Gaia DR3 2135104903719129984

System

Kepler-1860

Percentile among Rocky Terrestrial cohort

Radius 1.139 R⊕ · percentile 69 / cohort 570

Mass 1.550 M⊕ · percentile 63 / cohort 570

Orbital period 12.74 d · percentile 85 / cohort 567

Distance 438.70 pc · percentile 58 / cohort 566

ESI 0.459 · percentile 66 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

12.737 days

Semi-major axis

0.1063 AU

Eccentricity

0.000

Inclination

89.24 °

Year Length

A year here lasts approximately 12.74 Earth days (3.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1062 AU.

Transit Fingerprint

Depth

0.011 %

Duration

3.382 h

Impact parameter b

0.364

Rp / R★

0.009350

Transit midpoint (BJD)

2,454,969.0163

Photometric dip

Transit produces a flux drop of 106 ppm lasting ≈ 3.38 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009350

Semi-major axis / stellar radius

28.710

Impact parameter (b)

0.364

Transit mid-time (BJD)

2,454,969.0163

Angular separation (arcsec)

0.24200

Eq. Temperature

697K

(424 °C)

Insolation (S⊕)

56.30

Earth = 1.00

Earth Similarity (ESI)

0.459

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

Valizadegan et al. 2022

Instrument

Kepler CCD Array

Publication

2022-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2021 at Kepler (12 shown).

Kepler-1816 b · Super-Earth Kepler-1705 c · Sub-Neptune Kepler-1948 b · Rocky Terrestrial Kepler-196 d · Sub-Neptune Kepler-1853 b · Super-Earth Kepler-1840 b · Sub-Neptune Kepler-1881 b · Sub-Neptune Kepler-1858 b · Sub-Neptune Kepler-1874 b · Sub-Neptune Kepler-1802 c · Sub-Neptune Kepler-1749 b · Super-Earth Kepler-1849 b · Sub-Neptune

Host System: Kepler-1860

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,420 K — cooler than the Sun (5,778 K)

Estimated Age

1.55 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.868 R☉

Stellar Mass

0.874 M☉

Metallicity [Fe/H]

0.00

Extended Stellar Properties

Surface gravity (log g)

4.502 dex

Stellar density

2.370 g/cm³

Metallicity ratio

[Fe/H]

Distance

438.70 parsec

Light-years 1,430.86 ly

V-band magnitude

13.57 mag

Voyager-speed travel 25,233,147 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.251 mas

Total Proper Motion

28.107 mas/yr

PM Right Ascension

-9.01 mas/yr

PM Declination

-26.62 mas/yr

Galactic Cartesian (pc)

x = 0.265 · y = -0.585 · z = 0.767

Equatorial (J2000)

RA 294.35085° · Dec 50.08096°

Galactic ℓ, b

82.608° · 13.647°

Ecliptic λ, β

318.837° · 69.425°

HTM-20 index

288956916