Key parameters at a glance

A radius of 2.50 Earth radii
A mass of 6.82 Earth masses
Surface gravity around 1.09 g
An orbital period of 3.951 days
Semi-major axis 0.0463 AU
Equilibrium temperature 1,083 K (810 °C)
Distance from Earth 2,950.74 light-years
Earth Similarity Index 0.229
Travel time at Voyager 1 speed 52,036,294 years

Kepler-1935 b Planet Profile

Physical Specs

Radius

2.50 R⊕

Radius (Jupiter)

0.223 R♃

Mass

6.82 M⊕

Mass (Jupiter)

0.021 M♃

Density

2.39 g/cm³

Surface Gravity

1.09 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.229

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

#1167of 1978

top 58.9%

This planet

2.50R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-126 d 2.50 R⊕ Kepler-254 d 2.50 R⊕ GJ 163 c 2.50 R⊕

Metric	Earth	Kepler-1935 b	Jupiter
Radius (R⊕)	1.00	2.50	11.21
Mass (M⊕)	1.00	6.82	317.83
Density (g/cm³)	5.51	2.39	1.33
Surface Gravity (g)	1.00	1.09	2.53
Insolation (S⊕)	1.00	324.78	0.037

Star Catalogue Identifiers

TIC

TIC 184469205

Gaia DR2

Gaia DR2 2073307917844452480

Gaia DR3

Gaia DR3 2073307917844452480

System

Kepler-1935

Percentile among Sub-Neptune cohort

Radius 2.503 R⊕ · percentile 41 / cohort 1978

Mass 6.820 M⊕ · percentile 38 / cohort 1978

Orbital period 3.95 d · percentile 8 / cohort 1946

Distance 904.70 pc · percentile 73 / cohort 1975

ESI 0.229 · percentile 12 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

3.951 days

Semi-major axis

0.0463 AU

Eccentricity

0.000

Inclination

79.61 °

Year Length

A year here lasts approximately 3.95 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0463 AU.

Transit Fingerprint

Depth

0.041 %

Duration

1.058 h

Impact parameter b

1.643

Rp / R★

0.661038

Transit midpoint (BJD)

2,454,965.0646

Photometric dip

Transit produces a flux drop of 406 ppm lasting ≈ 1.06 h.

Extended Orbital Architecture

Planet / star radius ratio

0.661038

Semi-major axis / stellar radius

6.750

Impact parameter (b)

1.643

Transit mid-time (BJD)

2,454,965.0646

Angular separation (arcsec)

0.05120

Eq. Temperature

1,083K

(810 °C)

Insolation (S⊕)

324.78

Earth = 1.00

Earth Similarity (ESI)

0.229

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-1935

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,570 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

0.899 R☉

Stellar Mass

0.845 M☉

Metallicity [Fe/H]

-0.18

Extended Stellar Properties

Surface gravity (log g)

4.458 dex

Stellar density

0.373 g/cm³

Metallicity ratio

[Fe/H]

Distance

904.70 parsec

Light-years 2,950.74 ly

V-band magnitude

14.52 mag

Voyager-speed travel 52,036,294 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.077 mas

Total Proper Motion

10.679 mas/yr

PM Right Ascension

1.85 mas/yr

PM Declination

10.52 mas/yr

Galactic Cartesian (pc)

x = 0.342 · y = -0.689 · z = 0.639

Equatorial (J2000)

RA 296.40378° · Dec 39.72270°

Galactic ℓ, b

73.971° · 7.533°

Ecliptic λ, β

312.148° · 59.358°

HTM-20 index

-1087082686