Key parameters at a glance

A radius of 0.91 Earth radii
A mass of 0.70 Earth masses
Surface gravity around 0.84 g
An orbital period of 1.420 days
Semi-major axis 0.0247 AU
Equilibrium temperature 1,700 K (1427 °C)
Distance from Earth 1,397.62 light-years
Earth Similarity Index 0.172
Travel time at Voyager 1 speed 24,647,100 years

Kepler-1934 b Planet Profile

Physical Specs

Radius

0.91 R⊕

Radius (Jupiter)

0.081 R♃

Mass

0.70 M⊕

Mass (Jupiter)

0.002 M♃

Density

5.07 g/cm³

Surface Gravity

0.84 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.172

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

#404of 570

top 70.7%

This planet

0.91R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

YZ Cet b 0.91 R⊕ TOI-700 b 0.91 R⊕ Kepler-1525 b 0.91 R⊕

Metric	Earth	Kepler-1934 b	Jupiter
Radius (R⊕)	1.00	0.91	11.21
Mass (M⊕)	1.00	0.70	317.83
Density (g/cm³)	5.51	5.07	1.33
Surface Gravity (g)	1.00	0.84	2.53
Insolation (S⊕)	1.00	1,835.60	0.037

Star Catalogue Identifiers

TIC

TIC 122680921

Gaia DR2

Gaia DR2 2051019683267537024

Gaia DR3

Gaia DR3 2051019683267537024

System

Kepler-1934

Percentile among Rocky Terrestrial cohort

Radius 0.913 R⊕ · percentile 29 / cohort 570

Mass 0.702 M⊕ · percentile 25 / cohort 570

Orbital period 1.42 d · percentile 15 / cohort 567

Distance 428.51 pc · percentile 57 / cohort 566

ESI 0.172 · percentile 9 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

1.420 days

Semi-major axis

0.0247 AU

Eccentricity

0.000

Inclination

83.77 °

Year Length

A year here lasts approximately 1.42 Earth days (0.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0247 AU.

Transit Fingerprint

Depth

0.006 %

Duration

1.513 h

Impact parameter b

0.600

Rp / R★

0.007307

Transit midpoint (BJD)

2,454,965.9252

Photometric dip

Transit produces a flux drop of 58 ppm lasting ≈ 1.51 h.

Extended Orbital Architecture

Planet / star radius ratio

0.007307

Semi-major axis / stellar radius

5.930

Impact parameter (b)

0.600

Transit mid-time (BJD)

2,454,965.9252

Angular separation (arcsec)

0.05750

Eq. Temperature

1,700K

(1427 °C)

Insolation (S⊕)

1,835.60

Earth = 1.00

Earth Similarity (ESI)

0.172

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

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-1934

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,925 K — hotter than the Sun (5,778 K)

Estimated Age

3.16 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.035 R☉

Stellar Mass

0.968 M☉

Metallicity [Fe/H]

-0.14

Extended Stellar Properties

Surface gravity (log g)

4.394 dex

Stellar density

1.959 g/cm³

Metallicity ratio

[Fe/H]

Distance

428.51 parsec

Light-years 1,397.62 ly

V-band magnitude

12.87 mag

Voyager-speed travel 24,647,100 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

2.305 mas

Total Proper Motion

3.371 mas/yr

PM Right Ascension

1.57 mas/yr

PM Declination

2.98 mas/yr

Galactic Cartesian (pc)

x = 0.284 · y = -0.743 · z = 0.606

Equatorial (J2000)

RA 290.91933° · Dec 37.28717°

Galactic ℓ, b

69.765° · 10.193°

Ecliptic λ, β

302.792° · 58.368°

HTM-20 index

1724069835