Key parameters at a glance

A radius of 1.18 Earth radii
A mass of 1.78 Earth masses
Surface gravity around 1.27 g
An orbital period of 5.689 days
Semi-major axis 0.0536 AU
Equilibrium temperature 645 K (372 °C)
Earth Similarity Index 0.490
Almost certainly tidally locked to its host star given the close orbit

Kepler-1910 b Planet Profile

Physical Specs

Radius

1.18 R⊕

Radius (Jupiter)

0.106 R♃

Mass

1.78 M⊕

Mass (Jupiter)

0.006 M♃

Density

5.89 g/cm³

Surface Gravity

1.27 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.490

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

#116of 570

top 20.2%

This planet

1.18R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1430 b 1.18 R⊕ Kepler-1512 b 1.18 R⊕ Kepler-332 d 1.18 R⊕

Metric	Earth	Kepler-1910 b	Jupiter
Radius (R⊕)	1.00	1.18	11.21
Mass (M⊕)	1.00	1.78	317.83
Density (g/cm³)	5.51	5.89	1.33
Surface Gravity (g)	1.00	1.27	2.53
Insolation (S⊕)	1.00	40.88	0.037

Star Catalogue Identifiers

TIC

TIC 360023069

Gaia DR2

Gaia DR2 2076834463947219584

Gaia DR3

Gaia DR3 2076834463947219584

System

Kepler-1910

Percentile among Rocky Terrestrial cohort

Radius 1.184 R⊕ · percentile 80 / cohort 570

Mass 1.780 M⊕ · percentile 73 / cohort 570

Orbital period 5.69 d · percentile 59 / cohort 567

ESI 0.490 · percentile 69 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

5.689 days

Semi-major axis

0.0536 AU

Eccentricity

0.000

Inclination

88.60 °

Year Length

A year here lasts approximately 5.69 Earth days (1.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0536 AU.

Transit Fingerprint

Depth

0.024 %

Duration

2.550 h

Impact parameter b

0.390

Rp / R★

0.014153

Transit midpoint (BJD)

2,454,964.6645

Photometric dip

Transit produces a flux drop of 242 ppm lasting ≈ 2.55 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014153

Semi-major axis / stellar radius

16.420

Impact parameter (b)

0.390

Transit mid-time (BJD)

2,454,964.6645

Eq. Temperature

645K

(372 °C)

Insolation (S⊕)

40.88

Earth = 1.00

Earth Similarity (ESI)

0.490

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

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-1910

Spectral Class

K-type orange

Effective Temperature

4,234 K — cooler than the Sun (5,778 K)

Estimated Age

13.90 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.639 R☉

Stellar Mass

0.636 M☉

Metallicity [Fe/H]

-0.02

Extended Stellar Properties

Surface gravity (log g)

4.630 dex

Stellar density

2.381 g/cm³

Metallicity ratio

[Fe/H]

Multi-band Host Photometry — 16 bands

Astrometric Data

Total Proper Motion

4.155 mas/yr

PM Right Ascension

-2.31 mas/yr

PM Declination

-3.46 mas/yr

Galactic Cartesian (pc)

x = 0.337 · y = -0.672 · z = 0.660

Equatorial (J2000)

RA 296.61717° · Dec 41.28117°

Galactic ℓ, b

75.424° · 8.151°

Ecliptic λ, β

313.563° · 60.757°

HTM-20 index

-837882156