Key parameters at a glance

A radius of 1.36 Earth radii
A mass of 2.41 Earth masses
Surface gravity around 1.31 g
An orbital period of 6.059 days
Semi-major axis 0.0649 AU
Equilibrium temperature 976 K (703 °C)
Distance from Earth 968.74 light-years
Earth Similarity Index 0.316
Travel time at Voyager 1 speed 17,083,707 years

Kepler-1912 b Planet Profile

Physical Specs

Radius

1.36 R⊕

Radius (Jupiter)

0.121 R♃

Mass

2.41 M⊕

Mass (Jupiter)

0.008 M♃

Density

5.30 g/cm³

Surface Gravity

1.31 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.316

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

#994of 1176

top 84.4%

This planet

1.36R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

K2-190 b 1.36 R⊕ Kepler-1965 b 1.35 R⊕ Kepler-1680 b 1.36 R⊕

Metric	Earth	Kepler-1912 b	Jupiter
Radius (R⊕)	1.00	1.36	11.21
Mass (M⊕)	1.00	2.41	317.83
Density (g/cm³)	5.51	5.30	1.33
Surface Gravity (g)	1.00	1.31	2.53
Insolation (S⊕)	1.00	201.80	0.037

Star Catalogue Identifiers

TIC

TIC 123444694

Gaia DR2

Gaia DR2 2119099931425654912

Gaia DR3

Gaia DR3 2119099931425654912

System

Kepler-1912

Percentile among Super-Earth cohort

Radius 1.357 R⊕ · percentile 15 / cohort 1176

Mass 2.410 M⊕ · percentile 15 / cohort 1176

Orbital period 6.06 d · percentile 48 / cohort 1164

Distance 297.02 pc · percentile 31 / cohort 1171

ESI 0.316 · percentile 40 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

6.059 days

Semi-major axis

0.0649 AU

Eccentricity

0.000

Inclination

89.19 °

Year Length

A year here lasts approximately 6.06 Earth days (1.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0649 AU.

Transit Fingerprint

Depth

0.016 %

Duration

1.268 h

Impact parameter b

0.200

Rp / R★

0.011551

Transit midpoint (BJD)

2,454,966.6722

Photometric dip

Transit produces a flux drop of 158 ppm lasting ≈ 1.27 h.

Extended Orbital Architecture

Planet / star radius ratio

0.011551

Semi-major axis / stellar radius

36.200

Impact parameter (b)

0.200

Transit mid-time (BJD)

2,454,966.6722

Angular separation (arcsec)

0.21800

Eq. Temperature

976K

(703 °C)

Insolation (S⊕)

201.80

Earth = 1.00

Earth Similarity (ESI)

0.316

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-1912

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,734 K — cooler than the Sun (5,778 K)

Estimated Age

2.24 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.962 R☉

Stellar Mass

0.977 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.462 dex

Stellar density

15.231 g/cm³

Metallicity ratio

[Fe/H]

Distance

297.02 parsec

Light-years 968.74 ly

V-band magnitude

12.36 mag

Voyager-speed travel 17,083,707 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

3.338 mas

Total Proper Motion

6.310 mas/yr

PM Right Ascension

-3.04 mas/yr

PM Declination

5.53 mas/yr

Galactic Cartesian (pc)

x = 0.145 · y = -0.676 · z = 0.722

Equatorial (J2000)

RA 282.11782° · Dec 46.22395°

Galactic ℓ, b

75.640° · 19.707°

Ecliptic λ, β

293.535° · 68.675°

HTM-20 index

1844486973