Key parameters at a glance

A radius of 1.18 Earth radii
A mass of 1.76 Earth masses
Surface gravity around 1.26 g
An orbital period of 4.943 days
Semi-major axis 0.0561 AU
Equilibrium temperature 1,058 K (785 °C)
Distance from Earth 1,069.81 light-years
Earth Similarity Index 0.294
Travel time at Voyager 1 speed 18,866,178 years

Kepler-1933 b Planet Profile

Physical Specs

Radius

1.18 R⊕

Radius (Jupiter)

0.105 R♃

Mass

1.76 M⊕

Mass (Jupiter)

0.006 M♃

Density

5.89 g/cm³

Surface Gravity

1.26 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.294

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

#131of 570

top 22.8%

This planet

1.18R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1694 b 1.18 R⊕ Kepler-332 d 1.18 R⊕ Kepler-1512 b 1.18 R⊕

Metric	Earth	Kepler-1933 b	Jupiter
Radius (R⊕)	1.00	1.18	11.21
Mass (M⊕)	1.00	1.76	317.83
Density (g/cm³)	5.51	5.89	1.33
Surface Gravity (g)	1.00	1.26	2.53
Insolation (S⊕)	1.00	250.50	0.037

Star Catalogue Identifiers

TIC

TIC 120103486

Gaia DR2

Gaia DR2 2103314346067173504

Gaia DR3

Gaia DR3 2103314346067173504

System

Kepler-1933

Percentile among Rocky Terrestrial cohort

Radius 1.180 R⊕ · percentile 77 / cohort 570

Mass 1.760 M⊕ · percentile 71 / cohort 570

Orbital period 4.94 d · percentile 54 / cohort 567

Distance 328.01 pc · percentile 44 / cohort 566

ESI 0.294 · percentile 37 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

4.943 days

Semi-major axis

0.0561 AU

Eccentricity

0.000

Inclination

79.91 °

Year Length

A year here lasts approximately 4.94 Earth days (1.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0561 AU.

Transit Fingerprint

Depth

0.013 %

Duration

2.933 h

Impact parameter b

0.004

Rp / R★

0.010684

Transit midpoint (BJD)

2,454,968.5757

Photometric dip

Transit produces a flux drop of 126 ppm lasting ≈ 2.93 h.

Extended Orbital Architecture

Planet / star radius ratio

0.010684

Semi-major axis / stellar radius

14.090

Impact parameter (b)

0.004

Transit mid-time (BJD)

2,454,968.5757

Angular separation (arcsec)

0.17100

Eq. Temperature

1,058K

(785 °C)

Insolation (S⊕)

250.50

Earth = 1.00

Earth Similarity (ESI)

0.294

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-1933

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,661 K — cooler than the Sun (5,778 K)

Estimated Age

1.86 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.008 R☉

Stellar Mass

0.964 M☉

Metallicity [Fe/H]

0.10

Extended Stellar Properties

Surface gravity (log g)

4.415 dex

Stellar density

0.115 g/cm³

Metallicity ratio

[Fe/H]

Distance

328.01 parsec

Light-years 1,069.81 ly

V-band magnitude

12.81 mag

Voyager-speed travel 18,866,178 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

3.020 mas

Total Proper Motion

2.507 mas/yr

PM Right Ascension

-2.05 mas/yr

PM Declination

-1.44 mas/yr

Galactic Cartesian (pc)

x = 0.185 · y = -0.744 · z = 0.642

Equatorial (J2000)

RA 283.99509° · Dec 39.91701°

Galactic ℓ, b

69.940° · 16.204°

Ecliptic λ, β

293.449° · 62.222°

HTM-20 index

-163757739